/* ============================================================
   CAJST - Core Styles for Page Content
   ============================================================ */

:root {
    --primary: #b70011;
    --secondary: #b02d29;
    --surface: #f7f9fb;
    --surface-container: #eceef0;
    --surface-container-low: #f2f4f6;
    --surface-container-high: #e6e8ea;
    --surface-container-lowest: #ffffff;
    --surface-variant: #e0e3e5;
    --surface-dim: #d8dadc;
    --on-surface: #191c1e;
    --on-surface-variant: #5c403c;
    --on-primary: #ffffff;
    --primary-container: #dc2626;
    --primary-fixed: #ffdad6;
    --error-container: #ffdad6;
    --on-error-container: #93000a;
    --outline: #916f6b;
    --outline-variant: #e6bdb8;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--on-surface);
    background: var(--surface);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease-in;
}
img[loading="lazy"].loaded,
img[loading="lazy"]:not([loading]) {
    opacity: 1;
}

*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}
@media (min-width: 768px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease-out;
    border-left: 4px solid;
}
.alert-success { background: #d1fae5; color: #065f46; border-left-color: #10b981; }
.alert-error { background: #fee2e2; color: #991b1b; border-left-color: var(--primary); }
.alert-warning { background: #fed7aa; color: #92400e; border-left-color: #f59e0b; }
.alert-info { background: #dbeafe; color: #1e40af; border-left-color: #3b82f6; }

.form-group { margin-bottom: 1.5rem; }
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--on-surface);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #fff;
    border: 1px solid var(--surface-variant);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    transition: all 0.2s;
    color: var(--on-surface);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(183,0,17,0.1);
}
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%235c403c' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}
.form-textarea { resize: vertical; min-height: 100px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    text-decoration: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
}
.btn-primary:hover {
    box-shadow: 0 10px 20px -10px var(--primary);
    transform: translateY(-1px);
}
.btn-secondary {
    background: var(--surface);
    color: var(--on-surface);
    border: 1px solid var(--surface-variant);
}
.btn-secondary:hover { background: var(--surface-container); border-color: var(--outline-variant); }

.counter {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
.counter-label {
    font-size: 0.875rem;
    color: var(--on-surface-variant);
    margin-top: 0.25rem;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.pagination-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border: 1px solid var(--surface-variant);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    color: var(--on-surface);
    text-decoration: none;
    transition: all 0.2s;
}
.pagination-link:hover { background: var(--surface); border-color: var(--outline-variant); }
.pagination-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.search-container { position: relative; }
.search-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    background: #fff;
    border: 1px solid var(--surface-variant);
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    transition: all 0.2s;
}
.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(183,0,17,0.1);
}
.search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); }

.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    background: rgba(183,0,17,0.08);
    color: var(--primary);
    font-size: 0.8125rem;
    border-radius: 9999px;
    font-weight: 500;
}

.publication-card {
    background: #fff;
    border: 1px solid var(--surface-variant);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
}
.publication-card:hover { box-shadow: 0 10px 30px rgba(17,24,39,0.04); border-color: var(--outline-variant); }
.publication-title { font-size: 1.125rem; font-weight: 600; line-height: 1.4; }
.publication-authors { font-size: 0.875rem; color: var(--on-surface-variant); }
.publication-meta { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.8125rem; color: var(--on-surface-variant); }

.card {
    background: #fff;
    border-radius: 1rem;
    border: 1px solid var(--surface-variant);
    box-shadow: 0 10px 30px rgba(17,24,39,0.04);
}

.glass-panel {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 8px 32px 0 rgba(31,38,135,0.05), inset 0 1px 0 0 rgba(255,255,255,0.4);
}

.glass-panel-dark {
    background: rgba(17,24,39,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
}

.grid-pattern {
    background-image: linear-gradient(to right, rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.card-hover { transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.card-hover:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -12px rgba(17,24,39,0.1); }

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.spinner {
    width: 40px; height: 40px;
    border: 4px solid #f3f4f6;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

.ambient-shadow { box-shadow: 0 10px 30px rgba(17,24,39,0.04); }

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.animate-fade-in-up { animation: fadeInUp 0.6s ease-out forwards; }

@media (max-width: 768px) {
    .container { padding-left: 1rem; padding-right: 1rem; }
}

@media print {
    .no-print { display: none !important; }
}