.card {
    background: var(--color-card);
    border-radius: var(--radius-card);
    padding: var(--space-5);
    box-shadow: var(--shadow-soft);
}

.btn {
    min-height: var(--button-height);
    padding: 0 var(--space-5);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    border-radius: var(--radius-button);
    font-weight: 700;
    line-height: 1;
    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast),
        background-color var(--transition-fast);
}

.btn:hover {
    opacity: 0.92;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-main);
}

.btn-secondary {
    background: var(--color-card);
    color: var(--color-text-main);
    border: var(--border-width) solid var(--color-secondary);
}

.btn-danger {
    background: #F3C1C8;
    color: var(--color-text-main);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    min-height: 30px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-badge);
    font-size: var(--font-size-secondary);
    font-weight: 700;
}

.badge-success {
    background: var(--color-success);
}

.badge-rest {
    background: var(--color-secondary);
}

.badge-unrecorded {
    background: #E9E5E7;
}

.badge-working {
    background: var(--color-primary);
}

.input,
.select {
    width: 100%;
    min-height: 48px;
    padding: 0 var(--space-3);
    background: var(--color-card);
    border: 1px solid #E5DFE1;
    border-radius: var(--radius-input);
    color: var(--color-text-main);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.input:focus,
.select:focus {
    border-color: var(--color-secondary);
    box-shadow:
        0 0 0 3px
        rgba(201, 184, 232, 0.2);
}

.modal {
    border-radius: var(--radius-modal);
}

.bottom-sheet {
    border-radius:
        var(--radius-bottom-sheet)
        var(--radius-bottom-sheet)
        0
        0;
}

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

.app-header {
    width: 100%;
    min-height: 64px;
    padding: 0 var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app-header__title {
    font-size: var(--font-size-heading);
    font-weight: 700;
}

.icon-button {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-text-main);
    font-size: 22px;
    transition:
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

.icon-button:hover {
    background: rgba(243, 182, 200, 0.25);
}

.icon-button:active {
    transform: scale(0.97);
}

.app-main {
    flex: 1;
}

.bottom-nav {
    min-height: 64px;
    padding: var(--space-2) var(--space-4);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    background: var(--color-card);
    border-top: 1px solid #EEE8EA;
}

.bottom-nav__item {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-button);
    color: var(--color-text-secondary);
    font-size: var(--font-size-secondary);
    font-weight: 700;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast);
}

.bottom-nav__item--active {
    background: rgba(243, 182, 200, 0.25);
    color: var(--color-text-main);
}

.btn-large {
    width: 100%;
    min-height: 52px;
    font-size: var(--font-size-body);
}

.btn-warning {
    background: var(--color-warning);
    color: var(--color-text-main);
}

.btn-success {
    background: var(--color-success);
    color: var(--color-text-main);
}

.btn-disabled,
.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.badge-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 30px;
    padding: 0 var(--space-3);
    border-radius: var(--radius-badge);
    font-size: var(--font-size-secondary);
    font-weight: 700;
    line-height: 1;
}

.badge-status--working {
    background: var(--color-primary);
    color: var(--color-text-main);
}

.badge-status--success {
    background: var(--color-success);
    color: var(--color-text-main);
}

.badge-status--rest {
    background: var(--color-secondary);
    color: var(--color-text-main);
}

.badge-status--unrecorded {
    background: #E9E5E7;
    color: var(--color-text-secondary);
}

.badge-status--warning {
    background: var(--color-warning);
    color: var(--color-text-main);
}

.page-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.section-title {
    font-size: var(--font-size-heading);
    font-weight: 700;
}

.section-description {
    color: var(--color-text-secondary);
    font-size: var(--font-size-secondary);
}

.action-group {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.action-group--vertical {
    flex-direction: column;
    align-items: stretch;
}

.action-group--vertical .btn {
    width: 100%;
}

.today-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 96px;
    font-size: var(--font-size-timer);
    font-weight: 700;
    line-height: 1;
    letter-spacing: 1px;
    color: var(--color-text-main);
    text-align: center;
}

.goal-progress {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.goal-progress__track {
    width: 100%;
    height: 10px;
    overflow: hidden;
    background: #EEE8EA;
    border-radius: var(--radius-badge);
}

.goal-progress__bar {
    width: 0%;
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-badge);
    transition: width var(--transition-normal);
}

.goal-progress__label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-caption);
    font-weight: 700;
    text-align: right;
}

/* =========================
   LỊCH
========================= */

.calendar {
    width: 100%;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.calendar-weekdays span {
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-caption);
    font-weight: 700;
    text-align: center;
}

.calendar-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--space-2);
}

.calendar-day {
    min-height: 52px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    border-radius: var(--radius-input);
    background: var(--color-card);
    color: var(--color-text-main);
    font-size: var(--font-size-secondary);
    font-weight: 700;
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        transform var(--transition-fast);
}

.calendar-day:hover {
    background: rgba(243, 182, 200, 0.18);
}

.calendar-day:active {
    transform: scale(0.97);
}

.calendar-day__status {
    display: block;
    font-size: 10px;
    line-height: 1;
}

.calendar-day--empty {
    background: transparent;
    cursor: default;
}

.calendar-day--empty:hover {
    background: transparent;
}

@media (max-width: 599px) {
    .action-group {
        flex-direction: column;
        align-items: stretch;
    }

    .action-group .btn {
        width: 100%;
    }

    .calendar-grid {
        gap: var(--space-1);
    }

    .calendar-weekdays {
        gap: var(--space-1);
    }

    .calendar-day {
        min-height: 44px;
    }
}