/* Main CSS for Teleprompter Application */

/* CSS Variables */
:root {
    --primary-color: #5b8cff;
    --primary-dark: #3c73ff;
    --secondary-color: #7a87a8;
    --success-color: #16bd6f;
    --warning-color: #f7b733;
    --error-color: #ef476f;
    --background-color: #0b1020;
    --surface-color: #101627;
    --text-primary: #e8eefc;
    --text-secondary: #b7c3e0;
    --border-color: rgba(183,195,224,0.16);
    --shadow: 0 4px 12px rgba(0,0,0,0.25);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.35);
    --border-radius: 10px;
    --transition: 160ms cubic-bezier(.2,.7,.1,1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: radial-gradient(1200px 600px at 10% -10%, rgba(91,140,255,0.10), transparent),
                radial-gradient(900px 500px at 100% 0%, rgba(22,189,111,0.08), transparent),
                var(--background-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.main-content {
    flex: 1;
    padding: 2rem 0;
}

/* Navigation */
.navbar {
    background-color: rgba(16,22,39,0.9);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    margin-right: 0.5rem;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--background-color);
}

.nav-link i {
    margin-right: 0.5rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    margin-bottom: 3rem;
    border-radius: var(--border-radius);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.card {
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--background-color);
}

.card-header h3 {
    display: flex;
    align-items: center;
    margin: 0;
    color: var(--text-primary);
}

.card-header i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.card-content {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-1px);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-info {
    background-color: #06b6d4;
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input[type="range"] {
    padding: 0;
}

.range-value {
    display: inline-block;
    margin-left: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--surface-color);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.projector-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(18, 22, 38, 0.72);
    color: var(--text-1);
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(8px);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.projector-toggle-btn i {
    font-size: 12px;
}

.projector-toggle-btn:hover {
    transform: translateY(-1px);
    background: rgba(30, 36, 58, 0.88);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

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

.projector-toggle-btn[disabled] {
    opacity: 0.6;
    cursor: default;
    transform: none;
}

.projector-toggle-btn.active {
    border-color: var(--accent-0);
    background: rgba(21, 124, 255, 0.9);
    color: #fff;
    box-shadow: 0 8px 16px rgba(21, 124, 255, 0.35);
}

/* Status and Info */
.status-grid {
    display: grid;
    gap: 1rem;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: var(--background-color);
    border-radius: var(--border-radius);
}

.status-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.status-value {
    font-weight: 600;
    color: var(--text-primary);
}

.status-online {
    color: var(--success-color);
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.session-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.session-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
}

.stat {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.stat i {
    margin-right: 0.25rem;
    color: var(--primary-color);
}

.session-actions {
    margin-top: 1rem;
}

.session-item {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.session-item:last-child {
    border-bottom: none;
}

.session-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.session-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.session-status {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.session-status.active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.session-status.inactive {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--secondary-color);
}

/* Loading and States */
.loading {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

.error {
    color: var(--error-color);
    text-align: center;
}

.no-session,
.no-sessions {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 500;
    z-index: 3000;
    animation: notificationSlideIn 0.3s ease-out;
}

.notification-success {
    background-color: var(--success-color);
}

.notification-error {
    background-color: var(--error-color);
}

.notification-warning {
    background-color: var(--warning-color);
}

.notification-info {
    background-color: var(--primary-color);
}

@keyframes notificationSlideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Footer */
.footer {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Upload Area Styles */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--background-color);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

.upload-prompt {
    color: var(--text-secondary);
}

.upload-prompt i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.upload-progress {
    padding: 1rem;
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.upload-progress span {
    display: block;
    margin-bottom: 0.5rem;
}

.upload-progress span:last-child {
    margin-bottom: 0;
    font-weight: 500;
    color: var(--success-color);
}

/* Script Editor Styles */
.script-editor {
    display: flex;
    flex-direction: column;
    height: 500px;
}

.editor-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.script-title-input {
    flex: 1;
    margin-right: 1rem;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.editor-actions {
    display: flex;
    gap: 0.5rem;
}

.script-textarea {
    flex: 1;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    resize: none;
}

.script-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Modal Large Size */
.modal-content.large {
    max-width: 800px;
    width: 95%;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 64px;
        flex-direction: column;
        background-color: var(--surface-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 1rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-content {
        margin: 10% auto;
        width: 95%;
    }

    .session-stats {
        flex-direction: column;
        gap: 0.5rem;
    }

    .quick-actions {
        grid-template-columns: 1fr;
    }
}