@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800;900&display=swap');

:root, [data-theme="dark"] {
    --bg-main: #0B0F19;
    --bg-card: rgba(22, 30, 49, 0.78);
    --bg-card-hover: rgba(32, 44, 72, 0.88);
    --border-color: rgba(255, 255, 255, 0.12);
    --border-glow: rgba(99, 102, 241, 0.5);
    
    --primary: #6366F1;
    --primary-hover: #4F46E5;
    --primary-light: rgba(99, 102, 241, 0.18);
    --accent: #06B6D4;
    --accent-purple: #8B5CF6;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;

    --text-main: #F9FAFB;
    --text-muted: #9CA3AF;
    --text-dim: #6B7280;
    --input-bg: rgba(15, 23, 42, 0.85);
    --option-bg: rgba(255, 255, 255, 0.035);
    --option-hover: rgba(255, 255, 255, 0.07);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;

    --shadow-glow: 0 10px 40px -10px rgba(99, 102, 241, 0.4);
    --backdrop-blur: blur(20px);

    --bg-mesh: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.22) 0%, transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(6, 182, 212, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.14) 0%, transparent 60%);
}

[data-theme="light"] {
    --bg-main: #F8FAFC;
    --bg-card: rgba(255, 255, 255, 0.88);
    --bg-card-hover: rgba(255, 255, 255, 0.96);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --primary-light: rgba(99, 102, 241, 0.12);
    --accent: #0284C7;
    --accent-purple: #7C3AED;
    --success: #059669;
    --warning: #D97706;
    --danger: #DC2626;

    --text-main: #0F172A;
    --text-muted: #475569;
    --text-dim: #64748B;
    --input-bg: #FFFFFF;
    --option-bg: rgba(0, 0, 0, 0.025);
    --option-hover: rgba(99, 102, 241, 0.06);

    --shadow-glow: 0 10px 30px -10px rgba(79, 70, 229, 0.25);

    --bg-mesh: 
        radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.1) 0%, transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(6, 182, 212, 0.1) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 60%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
    background-image: var(--bg-mesh);
    background-attachment: fixed;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, .brand-title {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.02em;
}

/* Container */
.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 50px 20px 100px 20px;
}

.container-wide {
    max-width: 1320px;
    margin: 0 auto;
    padding: 40px 24px 100px 24px;
}

/* Header & Navbar bar */
.app-header {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.header-top-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 18px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(6, 182, 212, 0.2));
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--primary);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: var(--backdrop-blur);
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.theme-toggle-btn:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.25);
}

.icon-sun { display: none; }
.icon-moon { display: inline-flex; align-items: center; gap: 4px; }

[data-theme="light"] .icon-sun { display: inline-flex; align-items: center; gap: 4px; }
[data-theme="light"] .icon-moon { display: none; }

.app-title {
    font-size: 2.75rem;
    font-weight: 900;
    line-height: 1.25;
    background: linear-gradient(135deg, var(--text-main) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.app-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Glassmorphism Card UI */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    margin-bottom: 30px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2), 0 0 25px rgba(99, 102, 241, 0.15);
}

/* Question Header */
.question-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}

.question-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.question-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

.question-sub {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 6px;
}

/* Form Options Grid & List */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Custom Option Card */
.option-item {
    position: relative;
    display: flex;
    align-items: center;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background: var(--option-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.option-item:hover {
    background: var(--option-hover);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.option-item input[type="radio"],
.option-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.custom-indicator {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--text-muted);
    margin-right: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.option-item input[type="checkbox"] ~ .custom-indicator {
    border-radius: 7px;
}

.option-item input:checked ~ .custom-indicator {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}

.option-item input:checked ~ .custom-indicator::after {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #fff;
}

.option-item input[type="checkbox"]:checked ~ .custom-indicator::after {
    content: '✓';
    color: #fff;
    font-size: 13px;
    font-weight: 900;
    background: transparent;
}

.option-item input:checked ~ .option-label {
    color: var(--text-main);
    font-weight: 700;
}

.option-item.selected {
    background: var(--primary-light);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.18);
}

.option-label {
    color: var(--text-muted);
    font-size: 0.98rem;
    transition: color 0.2s ease;
}

/* Custom Text Input */
.custom-input-wrap {
    margin-top: 14px;
    display: none;
}

.custom-input-wrap.active {
    display: block;
    animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.text-input, .textarea-input {
    width: 100%;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.98rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.text-input:focus, .textarea-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.textarea-input {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
}

/* Q7 NPS Rating Component */
.nps-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.nps-grid {
    display: grid;
    grid-template-columns: repeat(11, 1fr);
    gap: 8px;
}

@media (max-width: 680px) {
    .nps-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.nps-btn {
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--option-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 800;
    font-size: 1.15rem;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nps-btn:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    color: var(--text-main);
}

.nps-btn.detractor:hover, .nps-btn.detractor.selected {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
    color: var(--danger);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

.nps-btn.passive:hover, .nps-btn.passive.selected {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--warning);
    color: var(--warning);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.nps-btn.promoter:hover, .nps-btn.promoter.selected {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--success);
    color: var(--success);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.nps-labels {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0 6px;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 20px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
    border: none;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 45px rgba(99, 102, 241, 0.4);
    filter: brightness(1.12);
}

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

/* Thank You View */
.thankyou-view {
    text-align: center;
    padding: 70px 24px;
    display: none;
}

.thankyou-view.active {
    display: block;
    animation: zoomIn 0.4s ease;
}

.success-icon {
    width: 86px;
    height: 86px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--success), #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px auto;
    font-size: 2.5rem;
    box-shadow: 0 0 35px rgba(16, 185, 129, 0.45);
    color: #fff;
}

/* Toast Message */
.toast-msg {
    position: fixed;
    bottom: 32px;
    right: 32px;
    padding: 18px 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-weight: 600;
    box-shadow: 0 12px 35px rgba(0,0,0,0.3);
    z-index: 9999;
    display: none;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-msg.error {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

/* ADMIN DASHBOARD SPECIFIC STYLES */
.admin-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.admin-title-wrap {
    display: flex;
    align-items: center;
    gap: 18px;
}

.admin-nav-actions {
    display: flex;
    gap: 14px;
}

.btn-secondary {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    background: var(--option-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--option-hover);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 22px;
    margin-bottom: 36px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 26px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.25s ease;
}

.kpi-card:hover {
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.4);
}

.kpi-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 2.4rem;
    font-weight: 900;
    margin: 10px 0;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
}

.kpi-sub {
    font-size: 0.88rem;
    color: var(--accent);
    font-weight: 500;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 28px;
    margin-bottom: 44px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.1);
}

.chart-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.chart-wrapper {
    position: relative;
    height: 270px;
    width: 100%;
}

/* Data Table Section */
.table-header-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    margin-bottom: 22px;
}

.filter-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.select-input {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    outline: none;
    font-size: 0.92rem;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.92rem;
}

.data-table th {
    background: var(--input-bg);
    color: var(--text-muted);
    padding: 16px 20px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

.data-table tr:hover {
    background: var(--option-hover);
}

.badge-nps {
    display: inline-block;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 800;
}

.badge-nps.promoter { background: rgba(16, 185, 129, 0.2); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-nps.passive { background: rgba(245, 158, 11, 0.2); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-nps.detractor { background: rgba(239, 68, 68, 0.2); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.4); }

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.15);
}

/* Detail Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.modal-backdrop.active {
    display: flex;
    animation: fadeIn 0.25s ease;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px;
    box-shadow: 0 24px 70px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.detail-label {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 700;
}

.detail-val {
    font-size: 0.98rem;
    color: var(--text-main);
    background: var(--input-bg);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

/* Keyframe Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.94); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}