:root {
    --navy: #0B1F3A;
    --orange: #FF7900;
    --white: #FFFFFF;
    --background: #F3F6FB;
    --text: #243247;
    --muted: #7A8798;
    --border: #E6EBF2;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--background);
    color: var(--text);
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--navy);
    color: var(--white);
    padding: 28px 18px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.logo {
    padding: 10px 12px 35px;
}

.logo h2 {
    margin: 0;
    font-size: 22px;
    letter-spacing: 1px;
}

.logo span {
    color: var(--orange);
}

.logo p {
    font-size: 10px;
    letter-spacing: 2px;
    color: #A9B8CC;
}

nav {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.menu {
    width: 100%;
    text-align: left;
    background: transparent;
    color: #C7D2E2;
    border: none;
    padding: 15px;
    border-radius: 10px;
    transition: 0.2s;
}

.menu:hover,
.menu.active {
    background: var(--orange);
    color: white;
}

.sidebar-footer {
    margin-top: auto;
    padding: 30px 12px 5px;
    font-size: 12px;
    color: #A9B8CC;
}

.main {
    flex: 1;
    min-width: 0;
    padding: 30px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 15px;
}

.topbar h1 {
    margin: 0;
    font-size: 28px;
}

.topbar p {
    color: var(--muted);
}

.profile {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 12px 18px;
    border-radius: 12px;
    white-space: nowrap;
}

.status-dot {
    width: 9px;
    height: 9px;
    background: #22C55E;
    border-radius: 50%;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.welcome {
    background: linear-gradient(120deg, #0B1F3A, #173C68);
    color: white;
    padding: 35px;
    border-radius: 18px;
    margin-bottom: 25px;
}

.welcome h2 {
    margin-top: 0;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.card,
.panel {
    background: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 5px 20px rgba(11, 31, 58, 0.04);
}

.card {
    border-top: 4px solid var(--orange);
}

.card p {
    color: var(--muted);
    margin-top: 0;
}

.card h2 {
    font-size: 34px;
    margin-bottom: 0;
    color: var(--navy);
}

.panel {
    margin-bottom: 22px;
}

.panel h3 {
    margin-top: 0;
}

.employee-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.employee-card {
    text-align: center;
    padding: 25px;
    border: 1px solid var(--border);
    border-radius: 14px;
}

.employee-card p {
    color: var(--muted);
}

.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--navy);
    color: white;
    display: grid;
    place-items: center;
    margin: auto;
    font-size: 25px;
    font-weight: bold;
}

#task-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

input,
select {
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: white;
    min-width: 0;
}

#task-title {
    flex: 2;
    min-width: 180px;
}

.primary-btn {
    border: none;
    background: var(--orange);
    color: white;
    padding: 13px 20px;
    border-radius: 9px;
    font-weight: bold;
}

.task-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.task-item:last-child {
    border-bottom: none;
}

.task-item h4 {
    margin: 0 0 8px;
    overflow-wrap: anywhere;
}

.task-item p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.task-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.small-btn {
    padding: 9px 12px;
    border: none;
    border-radius: 8px;
    background: #E9EEF5;
}

.done-btn {
    background: #DCFCE7;
    color: #166534;
}

.delete-btn {
    background: #FEE2E2;
    color: #991B1B;
}

.badge {
    display: inline-block;
    padding: 5px 9px;
    border-radius: 6px;
    background: #FFF0E2;
    color: #B45309;
    margin-top: 8px;
    font-size: 12px;
}

.badge.done {
    background: #DCFCE7;
    color: #166534;
}

.empty {
    color: var(--muted);
    padding: 15px 0;
}

@media (max-width: 1100px) {
    .stats,
    .employee-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .app {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        padding: 18px;
    }

    .logo {
        padding-bottom: 15px;
    }

    nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .menu {
        flex: 0 0 auto;
        width: auto;
        white-space: nowrap;
    }

    .sidebar-footer {
        display: none;
    }

    .main {
        padding: 18px;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .stats,
    .employee-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .card,
    .panel {
        padding: 17px;
    }

    .task-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 400px) {
    .stats,
    .employee-grid {
        grid-template-columns: 1fr;
    }
}