/* ============================================
   AL RESEARCH LAB — Portal Styles
   Dashboard, sidebar, cards, modals, forms
   ============================================ */

/* --- Portal Layout --- */
.portal-wrapper {
    display: flex; min-height: 100vh; background: var(--black);
}

/* --- Sidebar --- */
.sidebar {
    width: 260px; height: 100vh; height: 100dvh; background: var(--gray-700);
    border-right: 1px solid rgba(255,255,255,0.06);
    display: flex; flex-direction: column; position: fixed; top: 0; left: 0; z-index: 100;
    transition: transform 0.3s var(--ease-out-expo);
}
.sidebar-header {
    padding: 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex; align-items: center; justify-content: space-between;
}
.sidebar-logo { font-size: 0.7rem; color: var(--white); letter-spacing: 1px; text-decoration: none; }
.sidebar-role { font-size: 0.45rem; color: var(--gray-400); letter-spacing: 2px; padding: 0.25rem 0.5rem; border: 1px solid rgba(255,255,255,0.1); }
.sidebar-nav { flex: 1; padding: 1rem 0; overflow-y: auto; }
.sidebar-link {
    display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1.5rem;
    color: var(--gray-300); font-size: 0.85rem; text-decoration: none;
    transition: all 0.2s; border-left: 2px solid transparent;
}
.sidebar-link:hover { color: var(--white); background: rgba(255,255,255,0.03); }
.sidebar-link.active { color: var(--white); background: rgba(255,255,255,0.05); border-left-color: var(--white); }
.sidebar-icon { font-size: 0.6rem; color: var(--gray-500); }
.sidebar-link.active .sidebar-icon { color: var(--white); }
.sidebar-footer {
    padding: 1rem 1.5rem; border-top: 1px solid rgba(255,255,255,0.06);
    display: flex; align-items: center; gap: 0.75rem;
}
.sidebar-user { display: flex; align-items: center; gap: 0.75rem; flex: 1; min-width: 0; }
.sidebar-avatar {
    width: 32px; height: 32px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.45rem; color: var(--white); flex-shrink: 0;
}
.sidebar-user-info { display: flex; flex-direction: column; min-width: 0; }
.sidebar-user-name { font-size: 0.8rem; color: var(--white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 0.65rem; color: var(--gray-500); text-transform: capitalize; }
.sidebar-logout {
    background: none; border: 1px solid rgba(255,255,255,0.1); color: var(--gray-400);
    width: 28px; height: 28px; cursor: pointer; font-size: 0.7rem;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.sidebar-logout:hover { border-color: var(--white); color: var(--white); }

/* --- Main Content --- */
.portal-main {
    flex: 1; margin-left: 260px; padding: 2rem 2.5rem; min-height: 100vh;
}
.portal-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 2rem; padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.portal-title { font-size: 1.5rem; font-weight: 600; color: var(--white); }
.portal-subtitle { font-size: 0.8rem; color: var(--gray-400); margin-top: 0.25rem; }

/* --- Content Section (toggled by JS) --- */
.portal-section { display: none; }
.portal-section.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* --- Content Cards --- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.25rem; }
.content-card {
    padding: 1.5rem; border: 1px solid rgba(255,255,255,0.06);
    background: var(--gray-700); position: relative;
    transition: border-color 0.3s, transform 0.3s var(--ease-out-expo);
}
.content-card:hover { border-color: rgba(255,255,255,0.15); transform: translateY(-2px); }
.card-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75rem; }
.card-tag { font-size: 0.45rem; color: var(--gray-400); letter-spacing: 2px; padding: 0.2rem 0.5rem; border: 1px solid rgba(255,255,255,0.1); }
.card-date { font-size: 0.75rem; color: var(--gray-500); font-family: var(--font-mono); }
.card-title { font-size: 1.05rem; font-weight: 600; color: var(--white); margin-bottom: 0.5rem; line-height: 1.4; }
.card-excerpt { font-size: 0.85rem; line-height: 1.6; color: var(--gray-300); margin-bottom: 1rem; }
.card-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.mini-tag { font-size: 0.65rem; padding: 0.15rem 0.5rem; border: 1px solid rgba(255,255,255,0.08); color: var(--gray-400); font-family: var(--font-mono); }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.card-author { font-size: 0.75rem; color: var(--gray-500); }
.card-btns { display: flex; gap: 0.5rem; }
.card-btn {
    font-family: var(--font-mono); font-size: 0.7rem; color: var(--white);
    background: none; border: 1px solid rgba(255,255,255,0.15); padding: 0.4rem 0.75rem;
    cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.card-btn:hover { background: var(--white); color: var(--black); }
.card-btn-alt { color: var(--gray-400); border-color: rgba(255,255,255,0.08); }
.card-btn-alt:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.card-actions { display: flex; gap: 0.5rem; position: absolute; top: 1rem; right: 1rem; }
.btn-icon {
    width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
    background: none; border: 1px solid rgba(255,255,255,0.1); color: var(--gray-400);
    cursor: pointer; font-size: 0.75rem; transition: all 0.2s;
}
.btn-icon:hover { border-color: var(--white); color: var(--white); }
.btn-icon.btn-danger:hover { border-color: #ff4444; color: #ff4444; }

/* --- Member Cards --- */
.members-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.25rem; }
.member-card {
    padding: 1.5rem; border: 1px solid rgba(255,255,255,0.06);
    background: var(--gray-700); display: flex; flex-direction: column; align-items: center;
    text-align: center; gap: 1rem; position: relative;
    transition: border-color 0.3s;
}
.member-card:hover { border-color: rgba(255,255,255,0.15); }
.member-avatar {
    width: 56px; height: 56px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.6rem; color: var(--white);
}
.member-info { display: flex; flex-direction: column; gap: 0.3rem; }
.member-name { font-size: 1rem; font-weight: 600; color: var(--white); }
.member-role { font-size: 0.4rem; letter-spacing: 2px; color: var(--gray-500); }
.member-affiliation { font-size: 0.8rem; color: var(--gray-400); }
.member-interests { display: flex; gap: 0.4rem; flex-wrap: wrap; justify-content: center; margin-top: 0.25rem; }

/* --- Link Cards --- */
.links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.25rem; }
.link-card {
    padding: 1.5rem; border: 1px solid rgba(255,255,255,0.06);
    background: var(--gray-700); position: relative;
    transition: border-color 0.3s;
}
.link-card:hover { border-color: rgba(255,255,255,0.15); }
.link-source { font-size: 0.45rem; color: var(--gray-500); letter-spacing: 2px; margin-bottom: 0.75rem; }
.link-title { font-size: 1rem; font-weight: 600; color: var(--white); margin-bottom: 0.5rem; }
.link-desc { font-size: 0.85rem; color: var(--gray-300); line-height: 1.5; margin-bottom: 1rem; }

/* --- Stat Boxes (Admin Overview) --- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-box {
    padding: 1.5rem; border: 1px solid rgba(255,255,255,0.06);
    background: var(--gray-700); display: flex; align-items: center; gap: 1rem;
}
.stat-box-icon { font-size: 1rem; color: var(--gray-400); }
.stat-box-data { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-box-value { font-size: 1.2rem; color: var(--white); }
.stat-box-label { font-size: 0.75rem; color: var(--gray-400); }

/* --- Buttons --- */
.btn-primary {
    font-family: var(--font-mono); font-size: 0.8rem; color: var(--black);
    background: var(--white); border: none; padding: 0.6rem 1.25rem;
    cursor: pointer; letter-spacing: 1px; transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-secondary {
    font-family: var(--font-mono); font-size: 0.8rem; color: var(--white);
    background: none; border: 1px solid rgba(255,255,255,0.15); padding: 0.6rem 1.25rem;
    cursor: pointer; letter-spacing: 1px; transition: all 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.05); }

/* --- Forms --- */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.7rem; color: var(--gray-400); margin-bottom: 0.5rem; font-family: var(--font-mono); letter-spacing: 1px; text-transform: uppercase; }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 0.7rem 1rem; background: var(--black);
    border: 1px solid rgba(255,255,255,0.1); color: var(--white);
    font-family: var(--font-sans); font-size: 0.9rem;
    transition: border-color 0.2s; outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: rgba(255,255,255,0.3); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-select { cursor: pointer; appearance: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* --- Modal --- */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8); z-index: 9000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; }
.modal {
    background: var(--gray-700); border: 1px solid rgba(255,255,255,0.08);
    width: 90%; max-width: 600px; max-height: 85vh; display: flex; flex-direction: column;
}
.modal-wide { max-width: 900px; }
.modal-full { max-width: 95vw; max-height: 95vh; }
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1.25rem 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.modal-title { font-size: 1.1rem; font-weight: 600; color: var(--white); }
.modal-close {
    background: none; border: none; color: var(--gray-400); font-size: 1rem;
    cursor: pointer; transition: color 0.2s; padding: 0.25rem;
}
.modal-close:hover { color: var(--white); }
.modal-body { padding: 1.5rem; overflow-y: auto; flex: 1; }
.modal-footer {
    padding: 1rem 1.5rem; border-top: 1px solid rgba(255,255,255,0.06);
    display: flex; justify-content: flex-end; gap: 0.75rem;
}

/* --- PDF Viewer --- */
.pdf-viewer { width: 100%; height: 70vh; border: 1px solid rgba(255,255,255,0.08); background: var(--black); }
.iframe-viewer { width: 100%; height: 75vh; border: 1px solid rgba(255,255,255,0.08); background: var(--white); }

/* --- Toast --- */
.toast {
    position: fixed; bottom: 2rem; right: 2rem; z-index: 10000;
    padding: 0.75rem 1.25rem; background: var(--gray-700);
    border: 1px solid rgba(255,255,255,0.1); color: var(--white);
    font-size: 0.85rem; display: flex; align-items: center; gap: 0.75rem;
    transform: translateY(20px); opacity: 0; transition: all 0.3s var(--ease-out-expo);
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { font-size: 0.5rem; }
.toast-success { border-color: rgba(255,255,255,0.2); }
.toast-error { border-color: #ff4444; }

/* --- Submissions & Review --- */
.submission-card { border-left: 3px solid transparent; }
.status-tag { padding: 0.2rem 0.5rem; border: 1px solid; border-radius: 2px; }
.status-pending { color: #ffeb3b; border-color: #ffeb3b; }
.status-review { color: #03a9f4; border-color: #03a9f4; }
.status-approved { color: #4caf50; border-color: #4caf50; }
.status-rejected { color: #f44336; border-color: #f44336; }
.card-btn-approve { border-color: #4caf50; color: #4caf50; }
.card-btn-approve:hover { background: #4caf50; color: var(--black); }
.card-btn-reject { border-color: #f44336; color: #f44336; }
.card-btn-reject:hover { background: #f44336; color: var(--white); }

/* --- Activity Log --- */
.activity-feed { display: flex; flex-direction: column; gap: 1rem; }
.activity-item {
    display: flex; align-items: flex-start; gap: 1rem; padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.activity-item:last-child { border-bottom: none; padding-bottom: 0; }
.activity-icon {
    width: 24px; height: 24px; border-radius: 50%; background: rgba(255,255,255,0.05);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.5rem; color: var(--gray-400); flex-shrink: 0;
}
.activity-content { flex: 1; display: flex; flex-direction: column; gap: 0.2rem; }
.activity-user { font-size: 0.85rem; font-weight: 600; color: var(--white); }
.activity-detail { font-size: 0.8rem; color: var(--gray-400); }
.activity-time { font-size: 0.65rem; color: var(--gray-500); font-family: var(--font-mono); white-space: nowrap; }

/* --- Sidebar Badge --- */
.sidebar-badge {
    background: var(--white); color: var(--black);
    padding: 0.1rem 0.3rem; border-radius: 2px; font-size: 0.5rem;
    margin-left: auto;
}

/* --- Empty State --- */
.empty-state {
    text-align: center; padding: 4rem 2rem; color: var(--gray-500);
}
.empty-icon { font-size: 2rem; display: block; margin-bottom: 1rem; }
.empty-state p { font-size: 0.9rem; }

/* --- Profile View --- */
.profile-card {
    max-width: 600px; padding: 2.5rem; border: 1px solid rgba(255,255,255,0.06);
    background: var(--gray-700);
}
.profile-header { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 2rem; }
.profile-avatar {
    width: 72px; height: 72px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-pixel); font-size: 0.8rem; color: var(--white); flex-shrink: 0;
}
.profile-name { font-size: 1.3rem; font-weight: 600; color: var(--white); }
.profile-role-tag { font-family: var(--font-pixel); font-size: 0.4rem; color: var(--gray-400); letter-spacing: 2px; margin-top: 0.25rem; }
.profile-field { margin-bottom: 1.25rem; }
.profile-field-label { font-size: 0.65rem; color: var(--gray-500); font-family: var(--font-mono); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 0.3rem; }
.profile-field-value { font-size: 0.95rem; color: var(--off-white); line-height: 1.6; }

/* --- Article detail --- */
.article-detail-meta { display: flex; gap: 1.5rem; margin-bottom: 1.5rem; color: var(--gray-400); font-size: 0.8rem; }
.article-detail-body { font-size: 1rem; line-height: 1.8; color: var(--gray-200); }
.article-detail-body p { margin-bottom: 1rem; }
.article-detail-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1.5rem; }

/* --- Login Page --- */
.login-wrapper {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--black); position: relative;
}
.login-card {
    width: 100%; max-width: 400px; padding: 3rem; border: 1px solid rgba(255,255,255,0.06);
    background: var(--gray-700);
}
.login-logo { text-align: center; margin-bottom: 2.5rem; }
.login-logo-text { font-family: var(--font-pixel); font-size: 1rem; color: var(--white); letter-spacing: 2px; }
.login-logo-sub { display: block; font-size: 0.75rem; color: var(--gray-400); margin-top: 0.75rem; }
.login-error {
    padding: 0.75rem 1rem; border: 1px solid #ff4444; color: #ff4444;
    font-size: 0.8rem; margin-bottom: 1rem; display: none;
}
.login-error.show { display: block; }
.login-submit {
    width: 100%; padding: 0.85rem; background: var(--white); color: var(--black);
    border: none; font-family: var(--font-mono); font-size: 0.85rem;
    cursor: pointer; letter-spacing: 2px; transition: opacity 0.2s; margin-top: 0.5rem;
}
.login-submit:hover { opacity: 0.85; }
.login-back { display: block; text-align: center; margin-top: 1.5rem; color: var(--gray-500); font-size: 0.8rem; }
.login-back:hover { color: var(--white); }
.login-demo { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); }
.login-demo-title { font-family: var(--font-pixel); font-size: 0.5rem; color: var(--gray-500); letter-spacing: 2px; margin-bottom: 1rem; }
.login-demo-list { font-size: 0.75rem; color: var(--gray-400); line-height: 2; font-family: var(--font-mono); }

/* --- Mobile Toggle --- */
.sidebar-toggle {
    display: none; position: fixed; top: 1rem; left: 1rem; z-index: 200;
    background: var(--gray-700); border: 1px solid rgba(255,255,255,0.1);
    color: var(--white); width: 36px; height: 36px; cursor: pointer;
    font-size: 1rem; align-items: center; justify-content: center;
}

/* --- Nav login button (for landing page) --- */
.nav-btn-login {
    font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 1px;
    color: var(--black); background: var(--white); padding: 0.4rem 1rem;
    border: none; cursor: pointer; transition: opacity 0.2s; text-decoration: none;
}
.nav-btn-login:hover { opacity: 0.8; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-toggle { display: flex; }
    .portal-main { margin-left: 0; padding: 1.5rem; padding-top: 4rem; }
    .cards-grid, .members-grid, .links-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .modal { width: 95%; }
    .login-card { margin: 1rem; padding: 2rem; }
}