:root {
    --primary-bg: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --accent-oscar: #38bdf8;
    --accent-jose: #f472b6;
    --accent-dayana: #4ade80;
    --accent-holiday: #fbbf24;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--primary-bg);
    background-image:
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(74, 222, 128, 0.1) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 2rem;
    overflow-x: hidden;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(to right, #38bdf8, #4ade80);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.dashboard {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2.5rem;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.legend-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.legend-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.worker-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
}

#card-oscar .avatar {
    background: var(--accent-oscar);
    color: #000;
}

#card-jose .avatar {
    background: var(--accent-jose);
    color: #000;
}

#card-dayana .avatar {
    background: var(--accent-dayana);
    color: #000;
}

.legend-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.days-left {
    font-weight: 800;
    font-size: 1.4rem;
    color: #fff;
}

.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress {
    height: 100%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#progress-oscar {
    background: var(--accent-oscar);
}

#progress-jose {
    background: var(--accent-jose);
}

#progress-dayana {
    background: var(--accent-dayana);
}

.controls {
    margin-top: auto;
    padding: 1rem;
}

.pin-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pin-panel form {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.pin-input-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.pin-input-group input {
    flex: 1;
    min-width: 100px;
    padding: 0.6rem;
    border-radius: 0.8rem;
    border: 1px solid var(--glass-border);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.pin-btn {
    padding: 0.6rem 0.9rem;
    border-radius: 0.8rem;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pin-btn:hover {
    border-color: var(--text-primary);
    color: #fff;
}

.pin-lock-btn {
    background: rgba(244, 114, 182, 0.15);
    border-color: rgba(244, 114, 182, 0.5);
}

.pin-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.pin-status.pin-unlocked {
    color: #4ade80;
}

.pin-status.pin-error {
    color: #f87171;
}

.storage-note {
    font-size: 0.75rem;
    color: #cbd5f5;
    opacity: 0.8;
}

.secondary-btn {
    width: 100%;
    padding: 0.8rem;
    background: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    border-radius: 0.8rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border-color: #fff;
}

.data-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.action-btn {
    padding: 0.6rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    border-radius: 0.8rem;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.2s;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: var(--text-secondary);
}

.hint {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Calendar Styling */
.calendar-container {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    padding: 2rem;
}

.worker-selector {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.selector-buttons {
    display: flex;
    gap: 0.5rem;
}

.selector-btn {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border-radius: 0.8rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.selector-btn.active[data-worker="oscar"] {
    background: var(--accent-oscar);
    color: #000;
    border-color: var(--accent-oscar);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

.selector-btn.active[data-worker="jose"] {
    background: var(--accent-jose);
    color: #000;
    border-color: var(--accent-jose);
    box-shadow: 0 0 15px rgba(244, 114, 182, 0.4);
}

.selector-btn.active[data-worker="dayana"] {
    background: var(--accent-dayana);
    color: #000;
    border-color: var(--accent-dayana);
    box-shadow: 0 0 15px rgba(74, 222, 128, 0.4);
}

.selector-btn.active[data-worker="holiday"] {
    background: var(--accent-holiday);
    color: #000;
    border-color: var(--accent-holiday);
    box-shadow: 0 0 15px rgba(251, 191, 36, 0.4);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.month {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 1rem;
    padding: 1.2rem;
}

.month-name {
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    text-align: left;
    color: var(--text-primary);
}

.days-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.day-label {
    font-size: 0.7rem;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
}

.days-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    user-select: none;
    border: 1px solid transparent;
}

.day:not(.empty):hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
    z-index: 10;
}

.day.empty {
    cursor: default;
    pointer-events: none;
}

/* Selection States */
.day.vacation-oscar {
    background: var(--accent-oscar);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.3);
}

.day.vacation-jose {
    background: var(--accent-jose);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 8px rgba(244, 114, 182, 0.3);
}

.day.vacation-dayana {
    background: var(--accent-dayana);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 8px rgba(74, 222, 128, 0.3);
}

.day.mixed-jose-oscar,
.day.mixed-oscar-jose {
    background: linear-gradient(135deg, var(--accent-oscar) 0%, var(--accent-jose) 100%);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 12px rgba(244, 114, 182, 0.4);
}

.day.mixed-dayana-jose,
.day.mixed-jose-dayana {
    background: linear-gradient(135deg, var(--accent-jose) 0%, var(--accent-dayana) 100%);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.4);
}

.day.mixed-dayana-oscar,
.day.mixed-oscar-dayana {
    background: linear-gradient(135deg, var(--accent-oscar) 0%, var(--accent-dayana) 100%);
    color: #000;
    font-weight: 700;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.4);
}

.day.holiday {
    border: 2px solid var(--accent-holiday) !important;
    color: var(--accent-holiday);
    font-weight: 800;
}

.day.holiday.vacation-oscar,
.day.holiday.vacation-jose,
.day.holiday.vacation-dayana {
    border-color: rgba(0, 0, 0, 0.3) !important;
}

/* Multiple workers on same day overlap indicator */
.day[data-count="2"]::after,
.day[data-count="3"]::after {
    content: '';
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .calendar-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 1024px) {
    body {
        padding: 1.5rem;
    }

    header h1 {
        font-size: 2.5rem;
    }

    .dashboard {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .sidebar {
        order: 2;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .legend-card {
        flex: 1 1 280px;
    }

    .controls {
        flex: 1 1 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .secondary-btn {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .calendar-container {
        padding: 1.5rem;
        border-radius: 1.5rem;
    }

    .worker-selector {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .selector-buttons {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .calendar-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 480px) {
    body {
        padding: 1rem;
    }

    header {
        margin-bottom: 2rem;
    }

    header h1 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 0.95rem;
    }

    .calendar-container {
        padding: 1rem;
        border-radius: 1rem;
    }

    .selector-buttons {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
        width: 100%;
    }

    .selector-btn {
        padding: 0.5rem 0.5rem;
        font-size: 0.85rem;
        text-align: center;
    }

    .month {
        padding: 0.8rem;
    }

    .day {
        font-size: 0.8rem;
    }

    .legend-card {
        padding: 1rem;
        border-radius: 1rem;
    }

    .avatar {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .days-left {
        font-size: 1.2rem;
    }
}