.professional-timer-system {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #475569 75%, #64748b 100%);
            background-attachment: fixed;
            min-height: 100vh;
            color: #ffffff;
            line-height: 1.6;
            position: relative;
	          border-radius:15px;
        }

        .professional-timer-system *,
        .professional-timer-system *::before,
        .professional-timer-system *::after {
            box-sizing: border-box;
        }

        .professional-background-pattern {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.02) 50%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .professional-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            position: relative;
            z-index: 1;
        }

        /* Typography System */
        .professional-heading-primary {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 3.5rem;
            line-height: 1.1;
            margin-bottom: 1rem;
            color: #ffffff;
            text-align: center;
            letter-spacing: -0.02em;
        }

        .professional-heading-secondary {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 600;
            font-size: 2.25rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: #e2e8f0;
            text-align: center;
        }

        .professional-heading-tertiary {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 600;
            font-size: 1.5rem;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: #f1f5f9;
        }

        .professional-subtitle {
            font-size: 1.125rem;
            font-weight: 400;
            line-height: 1.7;
            color: #cbd5e1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto 3rem;
        }

        .professional-text {
            font-size: 1rem;
            line-height: 1.7;
            color: #e2e8f0;
            margin-bottom: 1.25rem;
        }

        .professional-text-small {
            font-size: 0.875rem;
            line-height: 1.6;
            color: #cbd5e1;
        }

        /* Layout Components */
        .professional-section {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            margin-bottom: 2rem;
            overflow: hidden;
            box-shadow: 
                0 20px 25px -5px rgba(0, 0, 0, 0.1),
                0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        .professional-section-header {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
            padding: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .professional-section-body {
            padding: 2rem;
        }

        /* Hero Section */
        .professional-hero {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
            backdrop-filter: blur(30px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            padding: 4rem 2rem;
            margin-bottom: 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .professional-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
            animation: professional-hero-shine 8s ease-in-out infinite;
        }

        @keyframes professional-hero-shine {
            0%, 100% { transform: translateX(-100%) skewX(-15deg); }
            50% { transform: translateX(100%) skewX(-15deg); }
        }

        /* Countdown Display */
        .professional-countdown-container {
            position: relative;
            z-index: 2;
            margin-bottom: 2rem;
        }

        .professional-countdown-grid {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
/* 
        .professional-time-unit {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            padding: 2rem 1.5rem;
            min-width: 140px;
            text-align: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        } */

     .professional-time-unit {
	background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
	backdrop-filter: blur(20px);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 16px;
	padding: 2rem 1.5rem;
	min-width: 140px;
	text-align: center;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	position: relative;
	overflow: hidden;
	width: 29%;
}

        .professional-time-unit::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .professional-time-unit:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
        }

        .professional-time-unit:hover::before {
            opacity: 1;
        }

        .professional-time-value {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 3rem;
            font-weight: 700;
            line-height: 1;
            margin-bottom: 0.5rem;
            color: #ffffff;
            position: relative;
            z-index: 1;
        }

        .professional-time-label {
            font-size: 0.875rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: #cbd5e1;
            position: relative;
            z-index: 1;
        }

        /* Progress Bar */
        .professional-progress-container {
            margin-bottom: 2rem;
            position: relative;
            z-index: 2;
        }

        .professional-progress-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: #e2e8f0;
        }

        .professional-progress-track {
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            overflow: hidden;
            position: relative;
        }

        .professional-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
            border-radius: 8px;
            transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .professional-progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            animation: professional-progress-shine 2s infinite;
        }

        @keyframes professional-progress-shine {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        /* Format Toggle */
        .professional-format-controls {
            display: flex;
            justify-content: center;
            margin-top: 2rem;
            position: relative;
            z-index: 2;
        }

        .professional-format-toggle {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            padding: 0.25rem;
            display: flex;
        }

        .professional-format-btn {
            padding: 0.75rem 1.5rem;
            border: none;
            background: transparent;
            color: #cbd5e1;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.875rem;
            font-weight: 500;
        }

        .professional-format-btn.active {
            background: rgba(255, 255, 255, 0.2);
            color: #ffffff;
        }

        .professional-format-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        /* Control Panels - Flexbox Layout */
/*         .professional-controls-container {
            display: flex;
            gap: 2rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        } */

      .professional-controls-container {
	display: flex;
	gap: 2rem;
	margin-bottom: 3rem;
	flex-wrap: wrap;
	margin: 34px;
}

        .professional-control-panel {
            flex: 1;
            min-width: 300px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
            backdrop-filter: blur(25px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .professional-control-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .professional-control-panel:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .professional-control-panel:hover::before {
            opacity: 1;
        }

        .professional-panel-header {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            z-index: 1;
        }

        .professional-panel-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.125rem;
            font-weight: 600;
            color: #f1f5f9;
            text-align: center;
        }

        .professional-panel-content {
            position: relative;
            z-index: 1;
        }

        /* Live Time Display Panel */
        .professional-current-time {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin: 1.5rem 0;
            color: #ffffff;
            letter-spacing: -0.02em;
        }

        /* Customize Target Panel */
        .professional-input-group {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .professional-input {
            flex: 1;
            padding: 0.875rem 1rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            color: #ffffff;
            font-size: 0.875rem;
            transition: all 0.3s ease;
        }

        .professional-input::placeholder {
            color: #94a3b8;
        }

        .professional-input:focus {
            outline: none;
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
            background: rgba(255, 255, 255, 0.1);
        }

        .professional-btn {
            width: 100%;
            padding: 0.875rem 1.5rem;
            border: none;
            border-radius: 8px;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            font-weight: 600;
            font-size: 0.875rem;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .professional-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s ease;
        }

        .professional-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
        }

        .professional-btn:hover::before {
            left: 100%;
        }

        /* Analog Clock Panel */
        .professional-clock-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .professional-analog-clock {
            width: 180px;
            height: 180px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            position: relative;
            margin-bottom: 1rem;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
            backdrop-filter: blur(20px);
            box-shadow: 
                0 10px 25px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }

        .professional-clock-face {
            width: 100%;
            height: 100%;
            position: relative;
        }

        .professional-clock-marks {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        .professional-clock-mark {
            position: absolute;
            width: 2px;
            height: 12px;
            background: #e2e8f0;
            left: 50%;
            margin-left: -1px;
            transform-origin: 50% 90px;
            top: 8px;
            border-radius: 1px;
        }

        .professional-clock-mark:nth-child(3n) {
            width: 3px;
            height: 16px;
            background: #3b82f6;
            margin-left: -1.5px;
            top: 6px;
        }

        .professional-clock-hand {
            position: absolute;
            transform-origin: bottom center;
            left: 50%;
            border-radius: 2px;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .professional-hour-hand {
            width: 4px;
            height: 50px;
            background: linear-gradient(180deg, #3b82f6, #1e40af);
            top: 40px;
            margin-left: -2px;
            box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
        }

        .professional-minute-hand {
            width: 3px;
            height: 70px;
            background: linear-gradient(180deg, #8b5cf6, #7c3aed);
            top: 20px;
            margin-left: -1.5px;
            box-shadow: 0 0 10px rgba(139, 92, 246, 0.3);
        }

        .professional-second-hand {
            width: 1px;
            height: 80px;
            background: linear-gradient(180deg, #ef4444, #dc2626);
            top: 10px;
            margin-left: -0.5px;
            box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
        }

        .professional-center-dot {
            width: 10px;
            height: 10px;
            background: linear-gradient(45deg, #3b82f6, #8b5cf6);
            border-radius: 50%;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 10;
            box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
        }

        .professional-digital-time {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.125rem;
            font-weight: 600;
            color: #e2e8f0;
            text-align: center;
        }

        /* Content Sections */
        .professional-content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
        }

        .professional-content-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .professional-content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .professional-content-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        .professional-content-card:hover::before {
            opacity: 1;
        }

        .professional-card-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #f1f5f9;
            position: relative;
            z-index: 1;
        }

        .professional-card-content {
            position: relative;
            z-index: 1;
        }

        /* Lists */
        .professional-list-numbered {
            counter-reset: professional-counter;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .professional-list-numbered li {
            counter-increment: professional-counter;
            position: relative;
            padding-left: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.6;
            color: #e2e8f0;
        }

        .professional-list-numbered li::before {
            content: counter(professional-counter);
            position: absolute;
            left: 0;
            top: 0;
            width: 1.5rem;
            height: 1.5rem;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.75rem;
        }

        .professional-list-bullet {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .professional-list-bullet li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.75rem;
            line-height: 1.6;
            color: #e2e8f0;
        }

        .professional-list-bullet li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.6rem;
            width: 0.375rem;
            height: 0.375rem;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            border-radius: 50%;
        }

        /* Statistics */
        .professional-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .professional-stat-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .professional-stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .professional-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .professional-stat-card:hover::before {
            opacity: 1;
        }

        .professional-stat-value {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: #3b82f6;
            margin-bottom: 0.5rem;
            position: relative;
            z-index: 1;
        }

        .professional-stat-label {
            font-size: 0.75rem;
            font-weight: 600;
            color: #cbd5e1;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            position: relative;
            z-index: 1;
        }

      /*────────────────────────────────────────────
  Responsive Media Queries for Professional Timer System
  Breakpoints: 992px, 768px, 600px, 400px, 375px
  ---------------------------------------------------
  Place this entire block at the very end of your stylesheet.
────────────────────────────────────────────*/

/*────────── ≤ 992px ──────────*/
@media (max-width: 992px) {
  /* Container adjustments */
  .professional-container {
    padding: 1.5rem !important;
  }

  /* Headings */
  .professional-heading-primary {
    font-size: 3rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-heading-secondary {
    font-size: 2rem !important;
    margin-bottom: 1.25rem !important;
  }
  .professional-heading-tertiary {
    font-size: 1.25rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-subtitle {
    font-size: 1rem !important;
    margin-bottom: 2.5rem !important;
  }

  /* Hero Section */
  .professional-hero {
    padding: 3rem 1.5rem !important;
  }

  /* Countdown grid: three columns → two columns on medium screens */
  .professional-countdown-grid {
    gap: 1rem !important;
  }
  .professional-time-unit {
    width: 32% !important;
    padding: 1.75rem 1.25rem !important;
    min-width: 120px !important;
  }
  .professional-time-value {
    font-size: 2.5rem !important;
  }
  .professional-time-label {
    font-size: 0.75rem !important;
  }

  /* Progress bar */
  .professional-progress-info {
    font-size: 0.75rem !important;
  }
  .professional-progress-container {
    margin-bottom: 1.5rem !important;
  }
  .professional-progress-track {
    height: 6px !important;
  }

  /* Format toggle */
  .professional-format-toggle {
    padding: 0.2rem !important;
  }
  .professional-format-btn {
    padding: 0.6rem 1.2rem !important;
    font-size: 0.75rem !important;
  }

  /* Controls container: two columns on medium screens */
  .professional-controls-container {
    gap: 1.5rem !important;
    margin: 2.5rem 0 !important;
  }
  .professional-control-panel {
    padding: 1.75rem !important;
  }
  .professional-panel-title {
    font-size: 1rem !important;
  }
  .professional-current-time {
    font-size: 2rem !important;
    margin: 1.25rem 0 !important;
  }

  /* Input group */
  .professional-input-group {
    gap: 0.8rem !important;
    margin-bottom: 1.25rem !important;
  }
  .professional-input {
    font-size: 0.75rem !important;
    padding: 0.75rem 0.9rem !important;
  }
  .professional-btn {
    font-size: 0.75rem !important;
    padding: 0.75rem 1.2rem !important;
  }

  /* Analog clock */
  .professional-analog-clock {
    width: 160px !important;
    height: 160px !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-clock-mark {
    width: 2px !important;
    height: 10px !important;
    transform-origin: 50% 80px !important;
    top: 6px !important;
  }
  .professional-clock-mark:nth-child(3n) {
    width: 2.5px !important;
    height: 14px !important;
    margin-left: -1.25px !important;
    top: 4px !important;
  }
  .professional-hour-hand {
    width: 3px !important;
    height: 45px !important;
    top: 35px !important;
    margin-left: -1.5px !important;
  }
  .professional-minute-hand {
    width: 2.5px !important;
    height: 60px !important;
    top: 15px !important;
    margin-left: -1.25px !important;
  }
  .professional-second-hand {
    width: 1px !important;
    height: 65px !important;
    top: 8px !important;
    margin-left: -0.5px !important;
  }
  .professional-center-dot {
    width: 8px !important;
    height: 8px !important;
  }
  .professional-digital-time {
    font-size: 1rem !important;
  }

  /* Content grid: two columns → single column below */
  .professional-content-grid {
    gap: 1.5rem !important;
  }
  .professional-content-card {
    padding: 1.5rem !important;
  }
  .professional-card-title {
    font-size: 1.125rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-list-numbered li,
  .professional-list-bullet li {
    padding-left: 2rem !important;
    margin-bottom: 1rem !important;
  }
  .professional-list-numbered li::before,
  .professional-list-bullet li::before {
    font-size: 0.7rem !important;
    width: 1.25rem !important;
    height: 1.25rem !important;
  }

  /* Stats grid: two columns */
  .professional-stats-grid {
    gap: 1rem !important;
  }
  .professional-stat-card {
    padding: 1.25rem !important;
  }
  .professional-stat-value {
    font-size: 1.5rem !important;
  }
  .professional-stat-label {
    font-size: 0.65rem !important;
  }
}

/*────────── ≤ 768px ──────────*/
@media (max-width: 768px) {
  .professional-container {
    padding: 1.25rem !important;
  }

  .professional-heading-primary {
    font-size: 2.5rem !important;
  }
  .professional-heading-secondary {
    font-size: 1.75rem !important;
  }
  .professional-heading-tertiary {
    font-size: 1.25rem !important;
  }
  .professional-subtitle {
    font-size: 1rem !important;
    margin-bottom: 2rem !important;
  }

  .professional-hero {
    padding: 2.5rem 1.25rem !important;
    margin-bottom: 2rem !important;
  }

  /* Countdown grid: two columns → single column below */
  .professional-countdown-grid {
    flex-wrap: wrap !important;
    justify-content: center !important;
  }
  .professional-time-unit {
    width: 45% !important;
    margin-bottom: 1rem !important;
    padding: 1.5rem 1rem !important;
  }
  .professional-time-value {
    font-size: 2.25rem !important;
  }
  .professional-time-label {
    font-size: 0.75rem !important;
  }

  .professional-progress-info {
    font-size: 0.75rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-progress-track {
    height: 6px !important;
  }

  .professional-format-toggle {
    justify-content: center !important;
  }
  .professional-format-btn {
    font-size: 0.75rem !important;
    padding: 0.6rem 1rem !important;
  }

  .professional-controls-container {
    flex-direction: column !important;
    gap: 1rem !important;
    margin: 2rem 0 !important;
  }
  .professional-control-panel {
    width: 100% !important;
    padding: 1.5rem !important;
  }
  .professional-panel-title {
    font-size: 1rem !important;
  }
  .professional-current-time {
    font-size: 1.75rem !important;
  }

  .professional-input-group {
    flex-direction: column !important;
    gap: 0.75rem !important;
  }
  .professional-input {
    font-size: 0.75rem !important;
    padding: 0.75rem 0.9rem !important;
  }
  .professional-btn {
    font-size: 0.75rem !important;
    padding: 0.75rem 1rem !important;
  }

  .professional-analog-clock {
    width: 140px !important;
    height: 140px !important;
  }
  .professional-clock-mark {
    height: 10px !important;
    transform-origin: 50% 70px !important;
  }
  .professional-clock-mark:nth-child(3n) {
    height: 12px !important;
    margin-left: -1.25px !important;
  }
  .professional-hour-hand {
    height: 40px !important;
    top: 30px !important;
  }
  .professional-minute-hand {
    height: 50px !important;
    top: 12px !important;
  }
  .professional-second-hand {
    height: 55px !important;
    top: 5px !important;
  }
  .professional-center-dot {
    width: 6px !important;
    height: 6px !important;
  }
  .professional-digital-time {
    font-size: 0.95rem !important;
  }

  .professional-content-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
  .professional-content-card {
    padding: 1.25rem !important;
  }
  .professional-card-title {
    font-size: 1rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-list-numbered li,
  .professional-list-bullet li {
    padding-left: 1.75rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-list-numbered li::before,
  .professional-list-bullet li::before {
    font-size: 0.65rem !important;
    width: 1rem !important;
    height: 1rem !important;
  }

  .professional-stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 0.75rem !important;
  }
  .professional-stat-card {
    padding: 1rem !important;
  }
  .professional-stat-value {
    font-size: 1.5rem !important;
  }
  .professional-stat-label {
    font-size: 0.65rem !important;
  }
}

/*────────── ≤ 600px ──────────*/
@media (max-width: 600px) {
  .professional-container {
    padding: 1rem !important;
  }

  .professional-heading-primary {
    font-size: 2rem !important;
  }
  .professional-heading-secondary {
    font-size: 1.5rem !important;
  }
  .professional-heading-tertiary {
    font-size: 1.125rem !important;
  }
  .professional-subtitle {
    font-size: 0.95rem !important;
    margin-bottom: 1.5rem !important;
  }

  .professional-hero {
    padding: 2rem 1rem !important;
    margin-bottom: 1.5rem !important;
  }

  .professional-countdown-grid {
    flex-wrap: wrap !important;
    justify-content: center !important;
  }
  .professional-time-unit {
    width: 70% !important;
    margin-bottom: 1rem !important;
    padding: 1.25rem 1rem !important;
  }
  .professional-time-value {
    font-size: 2rem !important;
  }
  .professional-time-label {
    font-size: 0.75rem !important;
  }

  .professional-progress-info {
    font-size: 0.75rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-progress-track {
    height: 6px !important;
  }

  .professional-format-toggle {
    justify-content: center !important;
  }
  .professional-format-btn {
    font-size: 0.75rem !important;
    padding: 0.5rem 1rem !important;
  }

  .professional-controls-container {
    flex-direction: column !important;
    gap: 0.75rem !important;
    margin: 1.5rem 0 !important;
  }
  .professional-control-panel {
    width: 100% !important;
    padding: 1rem !important;
  }
  .professional-panel-title {
    font-size: 0.95rem !important;
  }
  .professional-current-time {
    font-size: 1.5rem !important;
  }

  .professional-input-group {
    flex-direction: column !important;
    gap: 0.5rem !important;
  }
  .professional-input {
    font-size: 0.75rem !important;
    padding: 0.75rem 0.9rem !important;
  }
  .professional-btn {
    font-size: 0.75rem !important;
    padding: 0.75rem 1rem !important;
  }

  .professional-analog-clock {
    width: 120px !important;
    height: 120px !important;
  }
  .professional-clock-mark {
    height: 8px !important;
    transform-origin: 50% 60px !important;
  }
  .professional-clock-mark:nth-child(3n) {
    height: 10px !important;
    margin-left: -1.25px !important;
  }
  .professional-hour-hand {
    height: 35px !important;
    top: 28px !important;
  }
  .professional-minute-hand {
    height: 45px !important;
    top: 12px !important;
  }
  .professional-second-hand {
    height: 50px !important;
    top: 8px !important;
  }
  .professional-center-dot {
    width: 6px !important;
    height: 6px !important;
  }
  .professional-digital-time {
    font-size: 0.95rem !important;
  }

  .professional-content-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
  .professional-content-card {
    padding: 1rem !important;
  }
  .professional-card-title {
    font-size: 1rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-list-numbered li,
  .professional-list-bullet li {
    padding-left: 1.5rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-list-numbered li::before,
  .professional-list-bullet li::before {
    font-size: 0.6rem !important;
    width: 1rem !important;
    height: 1rem !important;
  }

  .professional-stats-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }
  .professional-stat-card {
    padding: 0.75rem !important;
  }
  .professional-stat-value {
    font-size: 1.25rem !important;
  }
  .professional-stat-label {
    font-size: 0.65rem !important;
  }
}

/*────────── ≤ 400px ──────────*/
@media (max-width: 400px) {
  .professional-container {
    padding: 0.75rem !important;
  }

  .professional-heading-primary {
    font-size: 1.75rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-heading-secondary {
    font-size: 1.25rem !important;
    margin-bottom: 0.75rem !important;
  }
  .professional-heading-tertiary {
    font-size: 1rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-subtitle {
    font-size: 0.875rem !important;
    margin-bottom: 1.25rem !important;
  }

  .professional-hero {
    padding: 1.5rem 1rem !important;
    margin-bottom: 1rem !important;
  }

  .professional-countdown-grid {
    justify-content: center !important;
  }
  .professional-time-unit {
    width: 100% !important;
    margin-bottom: 0.75rem !important;
    padding: 1rem !important;
  }
  .professional-time-value {
    font-size: 1.75rem !important;
  }
  .professional-time-label {
    font-size: 0.75rem !important;
  }

  .professional-progress-info {
    font-size: 0.75rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-progress-track {
    height: 6px !important;
  }

  .professional-format-toggle {
    justify-content: center !important;
  }
  .professional-format-btn {
    font-size: 0.75rem !important;
    padding: 0.5rem 0.75rem !important;
  }

  .professional-controls-container {
    gap: 0.5rem !important;
    margin: 1rem 0 !important;
  }
  .professional-control-panel {
    width: 100% !important;
    padding: 0.75rem !important;
  }
  .professional-panel-title {
    font-size: 0.9rem !important;
  }
  .professional-current-time {
    font-size: 1.25rem !important;
  }

  .professional-input-group {
    flex-direction: column !important;
    gap: 0.5rem !important;
  }
  .professional-input {
    font-size: 0.75rem !important;
    padding: 0.6rem 0.75rem !important;
  }
  .professional-btn {
    font-size: 0.75rem !important;
    padding: 0.6rem 0.8rem !important;
  }

  .professional-analog-clock {
    width: 100px !important;
    height: 100px !important;
  }
  .professional-clock-mark {
    height: 6px !important;
    transform-origin: 50% 50px !important;
  }
  .professional-clock-mark:nth-child(3n) {
    height: 8px !important;
    margin-left: -1px !important;
  }
  .professional-hour-hand {
    height: 30px !important;
    top: 25px !important;
  }
  .professional-minute-hand {
    height: 40px !important;
    top: 10px !important;
  }
  .professional-second-hand {
    height: 45px !important;
    top: 5px !important;
  }
  .professional-center-dot {
    width: 6px !important;
    height: 6px !important;
  }
  .professional-digital-time {
    font-size: 0.85rem !important;
  }

  .professional-content-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }
  .professional-content-card {
    padding: 0.75rem !important;
  }
  .professional-card-title {
    font-size: 0.95rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-list-numbered li,
  .professional-list-bullet li {
    padding-left: 1.25rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-list-numbered li::before,
  .professional-list-bullet li::before {
    font-size: 0.6rem !important;
    width: 0.9rem !important;
    height: 0.9rem !important;
  }

  .professional-stats-grid {
    grid-template-columns: 1fr !important;
    gap: 0.5rem !important;
  }
  .professional-stat-card {
    padding: 0.5rem !important;
  }
  .professional-stat-value {
    font-size: 1.25rem !important;
  }
  .professional-stat-label {
    font-size: 0.6rem !important;
  }

  .professional-format-btn {
    padding: 0.4rem 0.6rem !important;
    font-size: 0.75rem !important;
  }
}

/*────────── ≤ 375px ──────────*/
@media (max-width: 375px) {
  .professional-container {
    padding: 0.5rem !important;
  }

  .professional-heading-primary {
    font-size: 1.5rem !important;
  }
  .professional-heading-secondary {
    font-size: 1.25rem !important;
  }
  .professional-heading-tertiary {
    font-size: 1rem !important;
  }
  .professional-subtitle {
    font-size: 0.85rem !important;
    margin-bottom: 1rem !important;
  }

  .professional-hero {
    padding: 1rem !important;
    margin-bottom: 0.75rem !important;
  }

  .professional-countdown-grid {
    justify-content: center !important;
  }
  .professional-time-unit {
    width: 100% !important;
    margin-bottom: 0.5rem !important;
    padding: 0.75rem !important;
  }
  .professional-time-value {
    font-size: 1.5rem !important;
  }
  .professional-time-label {
    font-size: 0.75rem !important;
  }

  .professional-progress-info {
    font-size: 0.75rem !important;
    margin-bottom: 0.25rem !important;
  }
  .professional-progress-track {
    height: 6px !important;
  }

  .professional-format-toggle {
    justify-content: center !important;
  }
  .professional-format-btn {
    font-size: 0.75rem !important;
    padding: 0.4rem 0.6rem !important;
  }

  .professional-controls-container {
    gap: 0.25rem !important;
    margin: 0.75rem 0 !important;
  }
  .professional-control-panel {
    width: 100% !important;
    padding: 0.5rem !important;
  }
  .professional-panel-title {
    font-size: 0.875rem !important;
  }
  .professional-current-time {
    font-size: 1rem !important;
  }

  .professional-input-group {
    flex-direction: column !important;
    gap: 0.25rem !important;
  }
  .professional-input {
    font-size: 0.75rem !important;
    padding: 0.5rem 0.75rem !important;
  }
  .professional-btn {
    font-size: 0.75rem !important;
    padding: 0.5rem 0.75rem !important;
  }

  .professional-analog-clock {
    width: 80px !important;
    height: 80px !important;
  }
  .professional-clock-mark {
    height: 6px !important;
    transform-origin: 50% 50px !important;
  }
  .professional-clock-mark:nth-child(3n) {
    height: 8px !important;
    margin-left: -1px !important;
  }
  .professional-hour-hand {
    height: 25px !important;
    top: 22px !important;
  }
  .professional-minute-hand {
    height: 35px !important;
    top: 10px !important;
  }
  .professional-second-hand {
    height: 40px !important;
    top: 5px !important;
  }
  .professional-center-dot {
    width: 6px !important;
    height: 6px !important;
  }
  .professional-digital-time {
    font-size: 0.75rem !important;
  }

  .professional-content-grid {
    grid-template-columns: 1fr !important;
    gap: 0.5rem !important;
  }
  .professional-content-card {
    padding: 0.5rem !important;
  }
  .professional-card-title {
    font-size: 0.875rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-list-numbered li,
  .professional-list-bullet li {
    padding-left: 1rem !important;
    margin-bottom: 0.5rem !important;
  }
  .professional-list-numbered li::before,
  .professional-list-bullet li::before {
    font-size: 0.6rem !important;
    width: 0.9rem !important;
    height: 0.9rem !important;
  }

  .professional-stats-grid {
    grid-template-columns: 1fr !important;
    gap: 0.5rem !important;
  }
  .professional-stat-card {
    padding: 0.5rem !important;
  }
  .professional-stat-value {
    font-size: 1rem !important;
  }
  .professional-stat-label {
    font-size: 0.6rem !important;
  }

  .professional-format-btn {
    padding: 0.4rem 0.6rem !important;
    font-size: 0.75rem !important;
  }
}