:root {
    --bg: #f3f7f8;
    --panel: #ffffff;
    --ink: #102a33;
    --muted: #5b7380;
    --line: #d7e3e8;
    --brand: #0f766e;
    --brand-dark: #0b5a54;
    --accent: #0ea5a4;
    --danger: #b42318;
    --success: #067647;
    --shadow: 0 10px 30px rgba(16, 42, 51, 0.06);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Cairo", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(14, 165, 164, 0.12), transparent 30%),
        linear-gradient(180deg, #eef6f7 0%, var(--bg) 40%);
    color: var(--ink);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, #0b3b3a 0%, #0f4f4c 55%, #0b3b3a 100%);
    color: #e8f7f6;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,0.12);
    font-weight: 800;
}

.brand strong { display: block; font-size: 1.1rem; }
.brand small { color: rgba(232,247,246,0.7); }

.nav { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.nav a {
    padding: 10px 12px;
    border-radius: 10px;
    color: rgba(232,247,246,0.85);
}
.nav a:hover, .nav a.active {
    background: rgba(255,255,255,0.12);
    color: #fff;
}

.logout-form button {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.2);
    background: transparent;
    color: #fff;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
}

.content { padding: 28px; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
    gap: 16px;
}
.topbar h1 { margin: 0; font-size: 1.6rem; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.user-chip {
    background: var(--panel);
    border: 1px solid var(--line);
    padding: 8px 14px;
    border-radius: 999px;
    box-shadow: var(--shadow);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-center { position: relative; }

.notification-bell {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--panel);
    box-shadow: var(--shadow);
    cursor: pointer;
    display: grid;
    place-items: center;
}
.bell-icon {
    width: 16px;
    height: 16px;
    border: 2px solid var(--brand-dark);
    border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
    position: relative;
    display: block;
}
.bell-icon::before {
    content: "";
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 5px;
    border: 2px solid var(--brand-dark);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
}
.bell-icon::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 3px;
    background: var(--brand-dark);
    border-radius: 999px;
}

.notification-badge {
    position: absolute;
    top: -6px;
    left: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--danger);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    display: grid;
    place-items: center;
}

.notification-panel {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: min(380px, 92vw);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
    z-index: 50;
    overflow: hidden;
}

.notification-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
}

.notifications-list {
    max-height: 360px;
    overflow: auto;
}
.notifications-list.page { max-height: none; }

.notification-item {
    display: block;
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    transition: background .15s ease;
}
.notification-item:hover { background: #f3faf9; }
.notification-item.unread { background: #eef9f7; }
.notification-item-top {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: center;
    margin-bottom: 4px;
}
.notification-item p {
    margin: 0 0 6px;
    color: var(--ink);
    font-size: 0.95rem;
}
.notification-item small { color: var(--muted); }
.notification-empty { padding: 18px 14px; }

.badge.salary { background: #d1fadf; color: var(--success); }
.badge.advance { background: #fef0c7; color: #93370d; }
.badge.bonus { background: #e0f2fe; color: #075985; }
.badge.penalty { background: #fee4e2; color: var(--danger); }
.badge.attendance { background: #e7f2f1; color: var(--brand-dark); }
.badge.info { background: #e7f2f1; color: var(--brand-dark); }

.notification-toasts {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: min(360px, calc(100vw - 40px));
}

.notification-toast {
    background: #0f4f4c;
    color: #e8f7f6;
    border-radius: 14px;
    padding: 14px 16px;
    box-shadow: 0 12px 30px rgba(11, 59, 58, 0.28);
    animation: toast-in .25s ease;
}
.notification-toast strong { display: block; margin-bottom: 4px; }
.notification-toast p { margin: 0; opacity: 0.92; font-size: 0.92rem; }
.notification-toast.hide { opacity: 0; transform: translateY(8px); transition: .3s ease; }
.notification-toast.salary { background: #067647; }
.notification-toast.advance { background: #93370d; }
.notification-toast.penalty { background: #b42318; }
.notification-toast.bonus { background: #075985; }
.notification-toast.attendance { background: #0f766e; }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 22px;
}
.stat-card, .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
}
.stat-card { padding: 18px; }
.stat-card span { color: var(--muted); display: block; margin-bottom: 8px; }
.stat-card strong { font-size: 1.4rem; }
.card { padding: 20px; }

.toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 10px 16px;
    cursor: pointer;
}
.btn:hover { background: var(--brand-dark); }
.btn.secondary { background: #e7f2f1; color: var(--brand-dark); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 6px 10px; font-size: 0.9rem; }

table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    text-align: right;
}
th { color: var(--muted); font-weight: 600; font-size: 0.92rem; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.form-grid .full { grid-column: 1 / -1; }
label { display: block; margin-bottom: 6px; color: var(--muted); font-weight: 600; }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    background: #fff;
}
textarea { min-height: 100px; resize: vertical; }

.alert {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
}
.alert.success { background: #ecfdf3; color: var(--success); }
.alert.error { background: #fef3f2; color: var(--danger); }
.alert ul { margin: 0; padding-inline-start: 18px; }

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: #e7f2f1;
    color: var(--brand-dark);
}
.badge.danger { background: #fee4e2; color: var(--danger); }
.badge.success { background: #d1fadf; color: var(--success); }
.badge.warn { background: #fef0c7; color: #93370d; }

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 28px;
    box-shadow: var(--shadow);
}
.auth-card h1 { margin: 0 0 8px; }
.auth-card p { margin: 0 0 20px; color: var(--muted); }
.auth-card .field { margin-bottom: 14px; }
.auth-card .btn { width: 100%; margin-top: 8px; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }

.location-box {
    background: #eef6f7;
    border: 1px solid var(--line);
    color: var(--muted);
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 14px;
}
.location-box.success {
    background: #ecfdf3;
    border-color: #abefc6;
    color: var(--success);
}
.location-box.error {
    background: #fef3f2;
    border-color: #fecdca;
    color: var(--danger);
}

/* Messenger popup (Facebook-style) */
.messenger-root [hidden] {
    display: none !important;
}

.messenger-root {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 120;
    font-family: "Cairo", sans-serif;
    display: flex;
    align-items: flex-end;
    gap: 12px;
    pointer-events: none;
}
.messenger-root > * { pointer-events: auto; }

.messenger-windows {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-direction: row-reverse;
}

.messenger-launcher {
    position: relative;
    width: 58px;
    height: 58px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(160deg, #0ea5a4, #0f766e 55%, #0b5a54);
    color: #fff;
    box-shadow: 0 12px 28px rgba(11, 59, 58, 0.35);
    cursor: pointer;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    transition: transform .18s ease, box-shadow .18s ease;
}
.messenger-launcher:hover,
.messenger-launcher.active {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 16px 32px rgba(11, 59, 58, 0.4);
}
.messenger-launcher-icon {
    width: 22px;
    height: 18px;
    border: 2px solid #fff;
    border-radius: 10px;
    position: relative;
    display: block;
}
.messenger-launcher-icon::after {
    content: "";
    position: absolute;
    right: 4px;
    bottom: -6px;
    border: 5px solid transparent;
    border-top-color: #fff;
    border-right-color: #fff;
    transform: rotate(35deg);
}

.messenger-panel {
    width: min(360px, calc(100vw - 24px));
    height: min(520px, calc(100vh - 110px));
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(16, 42, 51, 0.22);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(18px) scale(0.96);
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}
.messenger-panel.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.chat-popup {
    width: min(340px, calc(100vw - 24px));
    height: min(480px, calc(100vh - 110px));
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px 16px 0 0;
    box-shadow: 0 18px 50px rgba(16, 42, 51, 0.22);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: chat-pop-in .18s ease;
}
.chat-popup.minimized {
    height: 52px;
}
.chat-popup.minimized .chat-popup-body {
    display: none !important;
}

@keyframes chat-pop-in {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.messenger-head,
.chat-popup-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 12px 12px 14px;
    background: linear-gradient(180deg, #0f766e, #0b5a54);
    color: #e8f7f6;
    cursor: pointer;
    flex-shrink: 0;
}
.messenger-head-text,
.chat-popup-head-text {
    flex: 1;
    min-width: 0;
}
.messenger-head-text strong,
.chat-popup-head-text strong {
    display: block;
    font-size: 0.98rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.messenger-status {
    display: block;
    margin-top: 2px;
    font-size: 0.78rem;
    opacity: 0.85;
}
.messenger-status.online { color: #86efac; opacity: 1; }
.messenger-status.typing { color: #fde68a; opacity: 1; }

.messenger-icon-btn {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    color: #fff;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}
.messenger-icon-btn:hover { background: rgba(255,255,255,0.2); }

.messenger-list-view,
.chat-popup-body {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    background: #f7fbfb;
}

.messenger-threads,
.messenger-people {
    overflow: auto;
}
.messenger-threads { flex: 1; }

.messenger-section-label {
    padding: 10px 14px 6px;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.messenger-thread,
.messenger-person {
    width: 100%;
    border: none;
    background: transparent;
    display: flex;
    gap: 12px;
    align-items: center;
    text-align: right;
    padding: 12px 14px;
    cursor: pointer;
    border-bottom: 1px solid #e7eef1;
}
.messenger-thread:hover,
.messenger-person:hover { background: #eef8f7; }

.messenger-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #d8f3f0;
    color: #0b5a54;
    font-weight: 800;
    display: grid;
    place-items: center;
    position: relative;
    flex-shrink: 0;
}
.online-dot {
    position: absolute;
    left: 1px;
    bottom: 1px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #98a2b3;
    border: 2px solid #fff;
}
.online-dot.on { background: #12b76a; }

.messenger-thread-body { min-width: 0; flex: 1; }
.messenger-thread-top {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: center;
}
.messenger-thread-body p,
.messenger-person small {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 0.86rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.messenger-thread-body small {
    color: #8aa0aa;
    font-size: 0.75rem;
}
.messenger-person strong { display: block; }
.messenger-person small { display: block; }

.messenger-box {
    flex: 1;
    overflow: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background:
        radial-gradient(circle at top right, rgba(14,165,164,0.08), transparent 40%),
        #f4f8f8;
}
.messenger-box .chat-bubble {
    max-width: 82%;
    padding: 8px 11px 6px;
    border-radius: 16px;
    border: none;
    box-shadow: 0 1px 2px rgba(16, 42, 51, 0.06);
}
.messenger-box .chat-bubble.mine {
    margin-inline-start: auto;
    background: #0f766e;
    color: #e8f7f6;
    border-bottom-left-radius: 6px;
}
.messenger-box .chat-bubble.theirs {
    margin-inline-end: auto;
    background: #fff;
    color: var(--ink);
    border-bottom-right-radius: 6px;
}
.messenger-box .chat-bubble p { margin: 0; white-space: pre-wrap; word-break: break-word; line-height: 1.45; }
.messenger-box .chat-bubble small {
    display: block;
    margin-top: 4px;
    font-size: 0.7rem;
    opacity: 0.75;
    text-align: left;
}

.messenger-typing {
    display: none;
    align-items: center;
    gap: 6px;
    padding: 0 14px 8px;
    color: var(--muted);
    font-size: 0.82rem;
}
.messenger-typing:not([hidden]) {
    display: flex;
}
.messenger-typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #98a2b3;
    animation: messenger-bounce 1s infinite ease-in-out;
}
.messenger-typing span:nth-child(2) { animation-delay: .15s; }
.messenger-typing span:nth-child(3) { animation-delay: .3s; }

@keyframes messenger-bounce {
    0%, 80%, 100% { transform: translateY(0); opacity: .45; }
    40% { transform: translateY(-3px); opacity: 1; }
}

.messenger-composer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    padding: 10px;
    border-top: 1px solid var(--line);
    background: #fff;
}
.messenger-composer textarea {
    min-height: 42px;
    max-height: 110px;
    border-radius: 18px;
    resize: none;
    padding: 10px 12px;
}
.messenger-composer .btn {
    border-radius: 18px;
    padding-inline: 16px;
}

.messenger-empty {
    padding: 28px 16px;
    text-align: center;
    color: var(--muted);
}

.nav-link-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.nav-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    background: #f04438;
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    display: grid;
    place-items: center;
}

.badge.chat { background: #e0f2fe; color: #075985; }

@media (max-width: 980px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: sticky; top: 0; z-index: 10; }
    .nav { flex-direction: row; flex-wrap: wrap; }
    .stats { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .stats { grid-template-columns: 1fr; }
    .content { padding: 16px; }
    .messenger-root {
        right: 12px;
        bottom: 12px;
        left: 12px;
        justify-content: flex-end;
    }
    .messenger-windows {
        position: fixed;
        right: 12px;
        bottom: 80px;
        left: 12px;
        justify-content: flex-end;
    }
    .messenger-panel,
    .chat-popup {
        width: min(100%, 380px);
        height: min(65vh, 520px);
    }
}