/* CSR Power Forum 2026 - Professional Theme */
:root {
    --color-navy: #0A2463;
    --color-teal: #247BA0;
    --color-gold: #D4AF37;
    --color-light: #F5F5F5;
    --color-dark: #1a1a1a;
    --spacing-unit: 8px;
    --font-primary: 'Poppins', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --border-radius: 8px;
}

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

html, body {
    font-family: var(--font-primary);
    color: var(--color-dark);
    background-color: var(--color-light);
    line-height: 1.6;
}

/* Page Container */
.csr-page {
    padding: calc(var(--spacing-unit) * 4);
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.csr-page h1,
.csr-page h2,
.csr-page h3 {
    color: var(--color-navy);
    margin: calc(var(--spacing-unit) * 2) 0 calc(var(--spacing-unit) * 1) 0;
}

.csr-page p {
    margin-bottom: calc(var(--spacing-unit) * 2);
    font-size: 16px;
}

/* Programme Section */
.csr-programme {
    padding: calc(var(--spacing-unit) * 4);
    max-width: 1200px;
    margin: 0 auto;
}

.csr-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(var(--spacing-unit) * 4);
    border-bottom: 3px solid var(--color-gold);
    padding-bottom: calc(var(--spacing-unit) * 2);
}

.csr-header h2 {
    color: var(--color-navy);
    font-size: 32px;
    margin: 0;
}

.csr-actions {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.csr-actions button {
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    background-color: var(--color-teal);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.csr-actions button:hover {
    background-color: var(--color-navy);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Programme Content */
.csr-content {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.csr-day {
    padding: calc(var(--spacing-unit) * 3);
    border-left: 4px solid var(--color-gold);
    margin-bottom: calc(var(--spacing-unit) * 3);
    background-color: rgba(36, 123, 160, 0.02);
    border-radius: var(--border-radius);
}

.csr-day h3 {
    color: var(--color-navy);
    font-size: 20px;
    margin-bottom: calc(var(--spacing-unit) * 2);
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 1);
}

.csr-session {
    padding: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 2);
    background-color: white;
    border-left: 3px solid var(--color-teal);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.csr-session:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.csr-session .time {
    color: var(--color-gold);
    font-weight: 600;
    font-size: 14px;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.csr-session .title {
    color: var(--color-navy);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.csr-session .room {
    color: var(--color-teal);
    font-size: 14px;
    margin-bottom: calc(var(--spacing-unit) * 1);
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 0.5);
}

.csr-session .objective {
    color: #555;
    font-size: 14px;
    line-height: 1.6;
    margin-top: calc(var(--spacing-unit) * 1);
}

/* Grid Layouts */
.csr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: calc(var(--spacing-unit) * 3);
    padding: calc(var(--spacing-unit) * 2);
}

@media (max-width: 768px) {
    .csr-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: calc(var(--spacing-unit) * 2);
    }
}

@media (max-width: 480px) {
    .csr-grid {
        grid-template-columns: 1fr;
    }
}

/* Card Component */
.csr-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    cursor: pointer;
}

.csr-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.csr-card .image {
    width: 100%;
    height: 240px;
    background: linear-gradient(135deg, var(--color-navy), var(--color-teal));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 60px;
}

.csr-card .image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.csr-card .image .placeholder {
    font-size: 60px;
    opacity: 0.7;
}

.csr-card .info {
    padding: calc(var(--spacing-unit) * 2);
}

.csr-card .info h3 {
    color: var(--color-navy);
    font-size: 18px;
    margin-bottom: calc(var(--spacing-unit) * 1);
    font-weight: 600;
}

.csr-card .info p {
    margin: 0 0 calc(var(--spacing-unit) * 1) 0;
    font-size: 14px;
}

.csr-card .info .title {
    color: var(--color-teal);
    font-weight: 500;
}

.csr-card .info .company {
    color: var(--color-gold);
    font-weight: 500;
}

/* Speakers Section */
.csr-speakers {
    padding: calc(var(--spacing-unit) * 4);
    max-width: 1200px;
    margin: 0 auto;
}

.csr-speakers h2 {
    color: var(--color-navy);
    font-size: 32px;
    margin-bottom: calc(var(--spacing-unit) * 4);
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
}

/* Organizers Section */
.csr-organizers {
    padding: calc(var(--spacing-unit) * 4);
    max-width: 1200px;
    margin: 0 auto;
}

.csr-organizers h2 {
    color: var(--color-navy);
    font-size: 32px;
    margin-bottom: calc(var(--spacing-unit) * 4);
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
}

/* Empty State */
.csr-content p {
    color: #999;
    text-align: center;
    padding: calc(var(--spacing-unit) * 4);
    font-style: italic;
}

/* Print Styles */
@media print {
    body {
        background-color: white;
    }

    .csr-actions {
        display: none;
    }

    .csr-card {
        page-break-inside: avoid;
    }

    .csr-session {
        page-break-inside: avoid;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .csr-page,
    .csr-programme,
    .csr-speakers,
    .csr-organizers {
        padding: calc(var(--spacing-unit) * 2);
    }

    .csr-header {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--spacing-unit) * 2);
    }

    .csr-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .csr-actions button {
        flex: 1;
        min-width: 150px;
    }

    .csr-header h2 {
        font-size: 24px;
    }

    .csr-speakers h2,
    .csr-organizers h2 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .csr-page,
    .csr-programme,
    .csr-speakers,
    .csr-organizers {
        padding: calc(var(--spacing-unit) * 1.5);
    }

    .csr-header h2 {
        font-size: 20px;
    }

    .csr-session {
        padding: calc(var(--spacing-unit) * 1.5);
    }

    .csr-session .title {
        font-size: 16px;
    }
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: calc(var(--spacing-unit) * 4);
}

.mb-4 {
    margin-bottom: calc(var(--spacing-unit) * 4);
}

/* Loading State */
.csr-loading {
    text-align: center;
    padding: calc(var(--spacing-unit) * 8);
    color: var(--color-teal);
}

.csr-error {
    background-color: #fee;
    color: #c00;
    padding: calc(var(--spacing-unit) * 3);
    border-left: 4px solid #c00;
    border-radius: var(--border-radius);
    margin: calc(var(--spacing-unit) * 2) 0;
}

.csr-success {
    background-color: #efe;
    color: #060;
    padding: calc(var(--spacing-unit) * 3);
    border-left: 4px solid #060;
    border-radius: var(--border-radius);
    margin: calc(var(--spacing-unit) * 2) 0;
}