:root {
            --primary-color: #0c3088;
            --primary-dark: #082555;
            --primary-light: #1a4db8;
            --accent-color: #ffd700;
            --accent-dark: #e6c200;
            --dark-bg: #0a0a0a;
            --darker-bg: #000000;
            --surface: #151515;
            --surface-elevated: #1f1f1f;
            --light-text: #ffffff;
            --muted-text: #a0a0a0;
            --subtle-text: #707070;
            --border-color: #2a2a2a;
            --border-hover: #404040;
            --success-color: #00d4aa;
            --error-color: #ff4757;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--light-text);
            background: 
                radial-gradient(circle at 20% 20%, rgba(12, 48, 136, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
                linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            overflow-x: hidden;
        }

        .reservation-container {
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            box-shadow: 
                0 20px 50px rgba(0, 0, 0, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            overflow: hidden;
            max-width: 800px;
            width: 100%;
            position: relative;
            opacity: 0;
            transform: scale(0.95) translateY(20px);
            animation: fadeInContainer 1s ease-out 0.2s forwards;
        }

        @keyframes fadeInContainer {
            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        .reservation-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            padding: 50px 40px 40px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .reservation-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 30% 20%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
        }

        .header-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 2;
            box-shadow: 0 12px 30px rgba(255, 215, 0, 0.3);
        }

        .header-icon i {
            font-size: 2rem;
            color: var(--primary-dark);
        }

        .reservation-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem;
            font-weight: 600;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
            letter-spacing: -0.02em;
        }

        .reservation-subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.8);
        }

        .back-button {
            position: absolute;
            top: 24px;
            left: 24px;
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            padding: 12px 16px;
            border-radius: 12px;
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            z-index: 10;
            font-weight: 500;
        }

        .back-button:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-color);
            transform: translateX(-4px);
            text-decoration: none;
            border-color: rgba(255, 255, 255, 0.2);
        }

        .back-button i {
            margin-right: 8px;
            font-size: 0.8rem;
        }

        .form-container {
            padding: 50px 40px 60px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-bottom: 32px;
        }

        .form-group {
            position: relative;
            opacity: 0;
            transform: translateY(30px);
            animation: slideUpForm 0.6s ease-out forwards;
        }

        .form-group:nth-child(1) { animation-delay: 0.4s; }
        .form-group:nth-child(2) { animation-delay: 0.5s; }
        .form-group:nth-child(3) { animation-delay: 0.6s; }
        .form-group:nth-child(4) { animation-delay: 0.7s; }
        .form-group:nth-child(5) { animation-delay: 0.8s; }
        .form-group:nth-child(6) { animation-delay: 0.9s; }

        @keyframes slideUpForm {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-input, .form-textarea, .form-select {
            width: 100%;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 16px 20px;
            font-size: 1rem;
            color: var(--light-text);
            font-family: 'Inter', sans-serif;
            transition: all 0.3s ease;
            resize: none;
        }

        .form-input:focus, .form-textarea:focus, .form-select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(12, 48, 136, 0.1);
            background: var(--surface-elevated);
        }

        .form-input::placeholder, .form-textarea::placeholder {
            color: var(--subtle-text);
        }

        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--light-text);
            font-size: 0.9rem;
        }

        .form-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--subtle-text);
            pointer-events: none;
            transition: color 0.3s ease;
        }

        .form-group:focus-within .form-icon {
            color: var(--primary-color);
        }

        .submit-section {
            text-align: center;
            opacity: 0;
            transform: translateY(30px);
            animation: slideUpForm 0.6s ease-out 1s forwards;
        }

        .submit-button {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
            color: white;
            border: none;
            padding: 18px 48px;
            border-radius: 16px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(12, 48, 136, 0.3);
            font-family: 'Inter', sans-serif;
            position: relative;
            overflow: hidden;
        }

        .submit-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(12, 48, 136, 0.4);
        }

        .submit-button:active {
            transform: translateY(0);
        }

        .submit-button.loading {
            pointer-events: none;
            opacity: 0.8;
        }

        .button-text {
            transition: opacity 0.3s ease;
        }

        .button-loader {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .submit-button.loading .button-text {
            opacity: 0;
        }

        .submit-button.loading .button-loader {
            opacity: 1;
        }

        .loader {
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .form-message {
            margin-top: 24px;
            padding: 16px 20px;
            border-radius: 12px;
            font-size: 0.9rem;
            font-weight: 500;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.3s ease;
        }

        .form-message.show {
            opacity: 1;
            transform: translateY(0);
        }

        .form-message.success {
            background: rgba(0, 212, 170, 0.1);
            border: 1px solid rgba(0, 212, 170, 0.2);
            color: var(--success-color);
        }

        .form-message.error {
            background: rgba(255, 71, 87, 0.1);
            border: 1px solid rgba(255, 71, 87, 0.2);
            color: var(--error-color);
        }

        .floating-orbs {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        .orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(1px);
            animation: floatOrb 8s ease-in-out infinite;
        }

        .orb:nth-child(1) {
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(12, 48, 136, 0.1) 0%, transparent 70%);
            top: 10%;
            left: 10%;
            animation-delay: 0s;
        }

        .orb:nth-child(2) {
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            top: 60%;
            right: 15%;
            animation-delay: 3s;
        }

        .orb:nth-child(3) {
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(12, 48, 136, 0.06) 0%, transparent 70%);
            bottom: 20%;
            left: 20%;
            animation-delay: 6s;
        }

        @keyframes floatOrb {
            0%, 100% {
                transform: translate(0, 0) scale(1);
                opacity: 0.3;
            }
            33% {
                transform: translate(30px, -30px) scale(1.1);
                opacity: 0.6;
            }
            66% {
                transform: translate(-20px, 20px) scale(0.9);
                opacity: 0.4;
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .reservation-container {
                margin: 10px;
                border-radius: 20px;
            }

            .reservation-header {
                padding: 40px 24px 32px;
            }

            .reservation-title {
                font-size: 2rem;
            }

            .form-container {
                padding: 40px 24px 50px;
            }

            .form-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .back-button {
                position: static;
                margin: 16px 24px 0;
                align-self: flex-start;
                display: inline-flex;
            }
        }

        @media (max-width: 480px) {
            .reservation-header {
                padding: 32px 20px 28px;
            }

            .reservation-title {
                font-size: 1.8rem;
            }

            .form-container {
                padding: 32px 20px 40px;
            }

            .header-icon {
                width: 64px;
                height: 64px;
            }

            .header-icon i {
                font-size: 1.5rem;
            }
        }

        /* Accessibility */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        .form-input:focus-visible, .form-textarea:focus-visible, .form-select:focus-visible {
            outline: 2px solid var(--primary-color);
            outline-offset: 2px;
        }

        .submit-button:focus-visible {
            outline: 2px solid var(--accent-color);
            outline-offset: 2px;
        }

        /* Post-submit success state — replaces the form with a clear next-step card. */
        .reservation-success {
            padding: 60px 30px;
            text-align: center;
        }
        .reservation-success .success-icon {
            width: 84px; height: 84px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--success-color, #16a34a), #1f8a4a);
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 12px 30px rgba(22, 163, 74, 0.25);
        }
        .reservation-success .success-icon i {
            font-size: 2.5rem;
            color: #fff;
        }
        .reservation-success h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
            color: var(--light-text);
        }
        .reservation-success p {
            color: var(--muted-text);
            font-size: 1.05rem;
            margin-bottom: 32px;
            max-width: 460px;
            margin-inline: auto;
            line-height: 1.6;
        }
        .reservation-success p strong { color: var(--light-text); }
        .reservation-success .success-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .reservation-success .btn-primary-action,
        .reservation-success .btn-secondary-action,
        .reservation-success .btn-tertiary-action {
            min-height: 44px;
            padding: 12px 22px;
            border-radius: 10px;
            font: inherit;
            font-weight: 500;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            cursor: pointer;
            transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
        }
        .reservation-success .btn-primary-action {
            background: var(--primary-color);
            color: #fff;
            border: 1px solid var(--primary-color);
        }
        .reservation-success .btn-primary-action:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .reservation-success .btn-secondary-action {
            background: transparent;
            color: var(--light-text);
            border: 1px solid var(--border-color);
        }
        .reservation-success .btn-secondary-action:hover {
            border-color: var(--accent-color);
            color: var(--accent-color);
        }
        .reservation-success .btn-tertiary-action {
            background: transparent;
            color: var(--muted-text);
            border: 1px solid transparent;
        }
        .reservation-success .btn-tertiary-action:hover { color: var(--light-text); }
        @media (max-width: 480px) {
            .reservation-success .success-actions { flex-direction: column; align-items: stretch; }
        }