/* ======================================================
   NACIAN Journal - Northwestern Agusan Colleges Theme
   Dominant: Green  |  Secondary: White
   Accents: Yellow, Blue
   ====================================================== */

:root {
    --nac-green-dark: #1B5E20;
    --nac-green: #2E7D32;
    --nac-green-light: #4CAF50;
    --nac-green-lighter: #81C784;
    --nac-green-accent: #A5D6A7;
    --nac-green-bg: #E8F5E9;
    --nac-yellow: #FFD600;
    --nac-yellow-light: #FFECB3;
    --nac-yellow-dark: #FFAB00;
    --nac-blue: #1976D2;
    --nac-blue-light: #42A5F5;
    --nac-blue-lighter: #BBDEFB;
    --nac-blue-dark: #0D47A1;
    --nac-white: #FFFFFF;
    --nac-gray-50: #FAFAFA;
    --nac-gray-100: #F5F5F5;
    --nac-gray-200: #EEEEEE;
    --nac-gray-300: #E0E0E0;
    --nac-gray-600: #757575;
    --nac-gray-700: #616161;
    --nac-gray-800: #424242;
    --nac-gray-900: #212121;
    --nac-shadow-sm: 0 2px 4px rgba(27, 94, 32, 0.08);
    --nac-shadow: 0 4px 12px rgba(27, 94, 32, 0.12);
    --nac-shadow-lg: 0 8px 24px rgba(27, 94, 32, 0.16);
    --nac-radius: 10px;
    --nac-radius-sm: 6px;
}

* { box-sizing: border-box; }

body.nac-body {
    background: var(--nac-gray-50);
    font-family: 'Segoe UI', 'Segoe UI Web', 'Segoe UI Symbol', 'Helvetica Neue', 'BBAlpha Sans', 'S60 Sans', Arial, sans-serif;
    color: var(--nac-gray-800);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.nac-main { flex: 1; }

/* ============ NAVBAR ============ */
.nac-navbar {
    background: linear-gradient(135deg, var(--nac-green-dark) 0%, var(--nac-green) 100%);
    box-shadow: var(--nac-shadow);
    border-bottom: 3px solid var(--nac-yellow);
    padding: 0.6rem 1rem;
}

.nac-navbar .nav-link {
    color: rgba(255,255,255,0.92) !important;
    padding: 0.55rem 0.9rem;
    border-radius: var(--nac-radius-sm);
    margin: 0 0.1rem;
    transition: all 0.25s;
    font-weight: 500;
    font-size: 0.94rem;
}

.nac-navbar .nav-link:hover,
.nac-navbar .nav-link.active {
    background: rgba(255, 214, 0, 0.18);
    color: #fff !important;
}

.nac-navbar .nav-link.active {
    background: var(--nac-yellow);
    color: var(--nac-green-dark) !important;
    font-weight: 600;
}

.nac-brand { display: flex; align-items: center; gap: 0.75rem; color: #fff !important; text-decoration: none; }
.nac-logo-circle {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, #fff 0%, var(--nac-green-bg) 100%);
    color: var(--nac-green-dark); display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; border: 2px solid var(--nac-yellow);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.nac-brand-text strong { font-size: 1.35rem; display: block; line-height: 1; }
.nac-brand-text small { font-size: 0.68rem; letter-spacing: 2.5px; opacity: 0.92; }

.nac-btn-register {
    background: var(--nac-yellow);
    color: var(--nac-green-dark) !important;
    border-radius: var(--nac-radius-sm);
    font-weight: 700 !important;
    padding: 0.5rem 1rem !important;
}
.nac-btn-register:hover { background: var(--nac-yellow-dark) !important; }

.nac-user-link { display: flex; align-items: center; gap: 0.4rem; }
.nac-user-link i { font-size: 1.15rem; }
.nac-user-name { font-size: 0.9rem; }

.nac-badge-notif {
    background: var(--nac-yellow); color: var(--nac-green-dark);
    font-size: 0.65rem; padding: 0.22em 0.5em;
}

.nac-notif-menu { width: 340px; border: none; box-shadow: var(--nac-shadow-lg); }
.nac-notif-menu .dropdown-item { padding: 0.6rem 1rem; white-space: normal; border-bottom: 1px solid var(--nac-gray-100); }
.nac-notif-menu .dropdown-item.unread { background: var(--nac-green-bg); }
.nac-notif-time { color: var(--nac-gray-600); }

/* ============ FLASH ============ */
.nac-flash {
    border: none; border-radius: var(--nac-radius-sm);
    box-shadow: var(--nac-shadow-sm);
    padding: 0.75rem 1rem;
}

/* ============ BUTTONS ============ */
.btn-nac-green {
    background: linear-gradient(135deg, var(--nac-green) 0%, var(--nac-green-dark) 100%);
    color: #fff; border: none; border-radius: var(--nac-radius-sm);
    padding: 0.55rem 1.2rem; font-weight: 600;
    transition: all 0.2s;
}
.btn-nac-green:hover { background: var(--nac-green-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--nac-shadow); }

.btn-nac-yellow {
    background: var(--nac-yellow); color: var(--nac-green-dark);
    border: none; border-radius: var(--nac-radius-sm);
    padding: 0.55rem 1.2rem; font-weight: 700;
    transition: all 0.2s;
}
.btn-nac-yellow:hover { background: var(--nac-yellow-dark); color: var(--nac-green-dark); transform: translateY(-1px); box-shadow: var(--nac-shadow); }

.btn-nac-blue {
    background: linear-gradient(135deg, var(--nac-blue) 0%, var(--nac-blue-dark) 100%);
    color: #fff; border: none; border-radius: var(--nac-radius-sm);
    padding: 0.55rem 1.2rem; font-weight: 600;
    transition: all 0.2s;
}
.btn-nac-blue:hover { background: var(--nac-blue-dark); color: #fff; }

.btn-nac-outline-green {
    border: 2px solid var(--nac-green); color: var(--nac-green);
    background: transparent; border-radius: var(--nac-radius-sm);
    padding: 0.5rem 1.1rem; font-weight: 600;
}
.btn-nac-outline-green:hover { background: var(--nac-green); color: #fff; }

/* ============ HERO ============ */
.nac-hero {
    background: linear-gradient(135deg, var(--nac-green-dark) 0%, var(--nac-green) 60%, var(--nac-green-light) 100%);
    position: relative; overflow: hidden; padding: 4.5rem 0 5.5rem;
    border-bottom: 4px solid var(--nac-yellow);
}
.nac-hero::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 500px; height: 500px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,214,0,0.18) 0%, transparent 70%);
}
.nac-hero::after {
    content: ''; position: absolute; bottom: -40%; left: -15%;
    width: 450px; height: 450px; border-radius: 50%;
    background: radial-gradient(circle, rgba(25,118,210,0.12) 0%, transparent 70%);
}
.nac-hero-content { position: relative; z-index: 2; }
.nac-hero h1 {
    font-size: 2.8rem; font-weight: 800; color: #fff;
    line-height: 1.15; margin-bottom: 1rem;
}
.nac-hero h1 .nac-hero-accent {
    color: var(--nac-yellow);
    display: block;
}
.nac-hero-lead { font-size: 1.15rem; color: rgba(255,255,255,0.9); max-width: 680px; line-height: 1.7; }
.nac-hero-actions { margin-top: 2rem; display: flex; gap: 0.8rem; flex-wrap: wrap; }

.nac-hero-stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
    margin-top: 3rem;
}
.nac-hero-stat {
    background: rgba(255,255,255,0.12); backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--nac-radius); padding: 1.2rem;
    text-align: center;
}
.nac-hero-stat h3 { color: var(--nac-yellow); font-size: 2rem; font-weight: 800; margin: 0; }
.nac-hero-stat small { color: rgba(255,255,255,0.85); font-size: 0.82rem; letter-spacing: 0.5px; }

/* ============ NSIRF PILLARS ============ */
.nac-pillars { padding: 3rem 0; }
.nac-pillars h2 {
    text-align: center; font-weight: 700; color: var(--nac-green-dark);
    margin-bottom: 0.5rem;
}
.nac-pillars-subtitle { text-align: center; color: var(--nac-gray-600); margin-bottom: 2.5rem; }
.nac-pillar-card {
    background: #fff; border-radius: var(--nac-radius); padding: 1.8rem;
    box-shadow: var(--nac-shadow-sm); border-top: 4px solid var(--nac-green);
    transition: all 0.3s; height: 100%;
    position: relative;
}
.nac-pillar-card:hover { transform: translateY(-4px); box-shadow: var(--nac-shadow-lg); }
.nac-pillar-card.p2 { border-top-color: #C62828; }
.nac-pillar-card.p3 { border-top-color: #E65100; }
.nac-pillar-card.p4 { border-top-color: #4527A0; }
.nac-pillar-card.p5 { border-top-color: var(--nac-blue-dark); }

.nac-pillar-num {
    width: 46px; height: 46px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; color: #fff; font-size: 1.2rem;
    background: var(--nac-green); margin-bottom: 1rem;
}
.nac-pillar-card.p2 .nac-pillar-num { background: #C62828; }
.nac-pillar-card.p3 .nac-pillar-num { background: #E65100; }
.nac-pillar-card.p4 .nac-pillar-num { background: #4527A0; }
.nac-pillar-card.p5 .nac-pillar-num { background: var(--nac-blue-dark); }

.nac-pillar-card h5 { color: var(--nac-gray-900); font-weight: 700; margin-bottom: 0.6rem; }
.nac-pillar-sdg { font-size: 0.78rem; color: var(--nac-gray-600); margin-bottom: 0.8rem; display: block; }
.nac-pillar-card p { color: var(--nac-gray-700); font-size: 0.9rem; line-height: 1.6; }

.nac-pillar-icon {
    position: absolute; right: 1.2rem; bottom: 1.2rem;
    font-size: 2rem; opacity: 0.14;
}

/* ============ CARDS & CONTAINERS ============ */
.nac-card {
    background: #fff; border-radius: var(--nac-radius);
    box-shadow: var(--nac-shadow-sm);
    border: 1px solid var(--nac-gray-200);
    overflow: hidden;
    transition: all 0.25s;
}
.nac-card:hover { box-shadow: var(--nac-shadow); }
.nac-card-header {
    background: linear-gradient(135deg, var(--nac-green) 0%, var(--nac-green-dark) 100%);
    color: #fff; padding: 1rem 1.25rem;
    border-bottom: 3px solid var(--nac-yellow);
}
.nac-card-header h5 { margin: 0; font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.nac-card-body { padding: 1.5rem; }

.nac-section-title {
    color: var(--nac-green-dark); font-weight: 700; margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: 0.6rem;
    padding-bottom: 0.6rem; border-bottom: 2px solid var(--nac-green-bg);
}

/* ============ AUTH PAGES ============ */
.nac-auth-wrapper {
    min-height: calc(100vh - 160px);
    display: flex; align-items: center; justify-content: center;
    padding: 2rem 1rem;
}
.nac-auth-card {
    background: #fff; border-radius: var(--nac-radius);
    box-shadow: var(--nac-shadow-lg);
    overflow: hidden; width: 100%; max-width: 860px;
    display: grid; grid-template-columns: 1fr 1fr;
}
.nac-auth-left {
    background: linear-gradient(160deg, var(--nac-green-dark) 0%, var(--nac-green) 100%);
    color: #fff; padding: 2.5rem 2rem;
    display: flex; flex-direction: column; justify-content: space-between;
    position: relative; overflow: hidden;
}
.nac-auth-left::before {
    content: ''; position: absolute; top: -40%; right: -40%;
    width: 300px; height: 300px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,214,0,0.22) 0%, transparent 70%);
}
.nac-auth-left h2 { font-weight: 800; color: var(--nac-yellow); margin-bottom: 1rem; position: relative; }
.nac-auth-left p { opacity: 0.92; line-height: 1.7; position: relative; }
.nac-auth-brand { position: relative; display: flex; align-items: center; gap: 0.8rem; }
.nac-auth-brand .nac-logo-circle { width: 52px; height: 52px; font-size: 1.6rem; }
.nac-auth-brand h3 { margin: 0; font-size: 1.4rem; font-weight: 800; }
.nac-auth-brand small { letter-spacing: 2px; opacity: 0.85; }
.nac-auth-right { padding: 2.5rem 2rem; }
.nac-auth-right h4 { color: var(--nac-green-dark); font-weight: 800; margin-bottom: 0.3rem; }
.nac-auth-right .nac-auth-sub { color: var(--nac-gray-600); margin-bottom: 1.5rem; font-size: 0.9rem; }

.nac-form-label { color: var(--nac-gray-700); font-weight: 600; font-size: 0.88rem; }
.nac-form-control, .nac-form-select {
    border: 1.5px solid var(--nac-gray-200); border-radius: var(--nac-radius-sm);
    padding: 0.6rem 0.85rem; font-size: 0.92rem;
    transition: all 0.2s;
}
.nac-form-control:focus, .nac-form-select:focus {
    border-color: var(--nac-green);
    box-shadow: 0 0 0 3px var(--nac-green-bg);
    outline: none;
}
.nac-input-group { position: relative; }
.nac-input-group i {
    position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%);
    color: var(--nac-gray-600); pointer-events: none;
}
.nac-input-group .nac-form-control { padding-left: 2.5rem; }

/* ============ DASHBOARD ============ */
.nac-dashboard-header {
    background: linear-gradient(135deg, var(--nac-green-dark) 0%, var(--nac-green) 100%);
    color: #fff; padding: 2rem 0 3rem; border-bottom: 3px solid var(--nac-yellow);
    margin-bottom: -2rem;
}
.nac-dashboard-header h2 { font-weight: 700; margin: 0; }
.nac-dashboard-header p { opacity: 0.9; margin: 0.3rem 0 0; }

.nac-stat-card {
    background: #fff; border-radius: var(--nac-radius);
    padding: 1.5rem; display: flex; align-items: center; gap: 1.2rem;
    box-shadow: var(--nac-shadow-sm); border-left: 4px solid var(--nac-green);
    transition: all 0.2s;
}
.nac-stat-card:hover { transform: translateY(-2px); box-shadow: var(--nac-shadow); }
.nac-stat-icon {
    width: 54px; height: 54px; border-radius: var(--nac-radius-sm);
    display: flex; align-items: center; justify-content: center;
    background: var(--nac-green-bg); color: var(--nac-green); font-size: 1.5rem;
}
.nac-stat-card.yellow { border-left-color: var(--nac-yellow); }
.nac-stat-card.yellow .nac-stat-icon { background: var(--nac-yellow-light); color: #F57F17; }
.nac-stat-card.blue { border-left-color: var(--nac-blue); }
.nac-stat-card.blue .nac-stat-icon { background: var(--nac-blue-lighter); color: var(--nac-blue-dark); }
.nac-stat-card.orange { border-left-color: #EF6C00; }
.nac-stat-card.orange .nac-stat-icon { background: #FFE0B2; color: #E65100; }
.nac-stat-card.red { border-left-color: #C62828; }
.nac-stat-card.red .nac-stat-icon { background: #FFCDD2; color: #B71C1C; }

.nac-stat-card h4 { font-weight: 800; margin: 0; color: var(--nac-gray-900); font-size: 1.7rem; }
.nac-stat-card small { color: var(--nac-gray-600); font-size: 0.82rem; }

.nac-table { background: #fff; border-radius: var(--nac-radius); box-shadow: var(--nac-shadow-sm); overflow: hidden; }
.nac-table thead { background: linear-gradient(135deg, var(--nac-green) 0%, var(--nac-green-dark) 100%); color: #fff; }
.nac-table thead th { padding: 0.85rem 1rem; font-weight: 600; border: none; font-size: 0.88rem; }
.nac-table tbody td { padding: 0.8rem 1rem; vertical-align: middle; border-color: var(--nac-gray-100); font-size: 0.9rem; }
.nac-table tbody tr:hover { background: var(--nac-green-bg); }

.nac-status-badge {
    display: inline-block; padding: 0.3em 0.7em;
    border-radius: 20px; font-size: 0.75rem; font-weight: 600;
}
.badge-success { background: #E8F5E9; color: #1B5E20; }
.badge-warning { background: #FFF8E1; color: #F57F17; }
.badge-danger { background: #FFEBEE; color: #C62828; }
.badge-info { background: #E3F2FD; color: var(--nac-blue-dark); }
.badge-primary { background: var(--nac-green-bg); color: var(--nac-green-dark); }
.badge-secondary { background: var(--nac-gray-200); color: var(--nac-gray-700); }

.nac-workflow {
    background: #fff; border-radius: var(--nac-radius); padding: 1.5rem;
    box-shadow: var(--nac-shadow-sm); margin-bottom: 1.5rem;
}
.nac-workflow-steps {
    display: flex; justify-content: space-between; align-items: flex-start;
    flex-wrap: wrap; gap: 0.3rem;
}
.nac-workflow-step {
    flex: 1; min-width: 100px; text-align: center; position: relative;
    padding: 0 0.4rem;
}
.nac-workflow-dot {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--nac-gray-200); color: var(--nac-gray-600);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 0.5rem; font-weight: 700; font-size: 0.9rem;
    border: 3px solid var(--nac-gray-100);
    position: relative; z-index: 2;
}
.nac-workflow-step.completed .nac-workflow-dot {
    background: var(--nac-green); color: #fff; border-color: var(--nac-green-light);
}
.nac-workflow-step.active .nac-workflow-dot {
    background: var(--nac-yellow); color: var(--nac-green-dark);
    border-color: var(--nac-yellow-dark); box-shadow: 0 0 0 4px var(--nac-yellow-light);
}
.nac-workflow-step small { color: var(--nac-gray-600); font-size: 0.72rem; line-height: 1.2; display: block; }
.nac-workflow-step.active small { color: var(--nac-green-dark); font-weight: 700; }

/* ============ FOOTER ============ */
.nac-footer {
    background: linear-gradient(180deg, var(--nac-green-dark) 0%, #0D3C11 100%);
    color: rgba(255,255,255,0.85);
    border-top: 4px solid var(--nac-yellow);
}
.nac-footer-brand { display: flex; align-items: center; gap: 0.75rem; }
.nac-footer-logo { width: 50px; height: 50px; font-size: 1.5rem; }
.nac-footer-about { font-size: 0.88rem; line-height: 1.6; color: rgba(255,255,255,0.75); }
.nac-footer-heading {
    color: var(--nac-yellow); font-weight: 700; font-size: 0.95rem;
    margin-bottom: 0.9rem; letter-spacing: 0.5px;
}
.nac-footer-links { list-style: none; padding: 0; margin: 0; }
.nac-footer-links li {
    padding: 0.3rem 0; font-size: 0.86rem;
    color: rgba(255,255,255,0.72);
    display: flex; align-items: center; gap: 0.5rem;
}
.nac-footer-links a { color: rgba(255,255,255,0.72); text-decoration: none; transition: color 0.2s; }
.nac-footer-links a:hover { color: var(--nac-yellow); }
.nac-pillar-dot {
    display: inline-block; width: 10px; height: 10px; border-radius: 50%;
    background: var(--nac-green);
}
.nac-pillar-dot.p1 { background: var(--nac-green-light); }
.nac-pillar-dot.p2 { background: #EF5350; }
.nac-pillar-dot.p3 { background: #FF8A65; }
.nac-pillar-dot.p4 { background: #7E57C2; }
.nac-pillar-dot.p5 { background: var(--nac-blue-light); }

.nac-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* ============ ARTICLE CARDS ============ */
.nac-article-card {
    background: #fff; border-radius: var(--nac-radius); padding: 1.5rem;
    box-shadow: var(--nac-shadow-sm); border-left: 4px solid var(--nac-green);
    transition: all 0.25s; height: 100%;
}
.nac-article-card:hover { transform: translateY(-2px); box-shadow: var(--nac-shadow); }
.nac-article-meta { font-size: 0.78rem; color: var(--nac-gray-600); margin-bottom: 0.6rem; }
.nac-article-card h5 { color: var(--nac-green-dark); font-weight: 700; margin-bottom: 0.6rem; line-height: 1.4; }
.nac-article-card h5 a { color: inherit; text-decoration: none; }
.nac-article-card h5 a:hover { text-decoration: underline; }
.nac-article-authors { font-size: 0.86rem; color: var(--nac-gray-700); margin-bottom: 0.7rem; }
.nac-article-abstract {
    font-size: 0.87rem; color: var(--nac-gray-700);
    line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 0.9rem;
}
.nac-article-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.8rem; }
.nac-tag {
    background: var(--nac-green-bg); color: var(--nac-green-dark);
    padding: 0.2em 0.65em; border-radius: 20px;
    font-size: 0.72rem; font-weight: 600;
}
.nac-tag.pillar-2 { background: #FFEBEE; color: #C62828; }
.nac-tag.pillar-3 { background: #FFF3E0; color: #E65100; }
.nac-tag.pillar-4 { background: #EDE7F6; color: #4527A0; }
.nac-tag.pillar-5 { background: #E3F2FD; color: var(--nac-blue-dark); }

/* ============ DETAIL PAGE ============ */
.nac-article-detail {
    background: #fff; border-radius: var(--nac-radius); padding: 2.5rem;
    box-shadow: var(--nac-shadow-sm);
}
.nac-article-detail h1 {
    color: var(--nac-green-dark); font-weight: 800;
    line-height: 1.3; margin-bottom: 1rem;
}
.nac-article-detail-meta {
    display: flex; flex-wrap: wrap; gap: 1.2rem; padding: 1rem 1.2rem;
    background: var(--nac-green-bg); border-radius: var(--nac-radius-sm);
    margin-bottom: 1.5rem;
}
.nac-meta-item { display: flex; align-items: center; gap: 0.4rem; font-size: 0.88rem; color: var(--nac-gray-700); }
.nac-meta-item i { color: var(--nac-green); }

.nac-review-box {
    background: var(--nac-gray-50); border-left: 4px solid var(--nac-green);
    border-radius: var(--nac-radius-sm); padding: 1.2rem; margin-bottom: 1rem;
}
.nac-review-box.ethics { border-left-color: #C62828; }
.nac-review-box.stats { border-left-color: #4527A0; }
.nac-review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.7rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--nac-gray-200); }
.nac-review-header strong { color: var(--nac-gray-900); }

/* ============ RESPONSIVE ============ */
@media (max-width: 992px) {
    .nac-auth-card { grid-template-columns: 1fr; }
    .nac-auth-left { padding: 2rem; }
    .nac-hero h1 { font-size: 2rem; }
    .nac-hero-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nac-hero { padding: 3rem 0 4rem; }
    .nac-hero h1 { font-size: 1.7rem; }
    .nac-hero-stats { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
    .nac-workflow-steps { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.5rem; }
    .nac-workflow-step { min-width: 85px; flex-shrink: 0; }
    .nac-user-name { display: none; }
}