/* Embedded online Schengen calculator (section #calculator on index.html).
   Every rule is scoped under #calculator so the landing page styles and the
   calculator styles can never collide. Button classes are cbtn-* for the same
   reason: the landing already defines .btn for the store buttons. */

#calculator {
    --color-safe: #10b981;
    --color-safe-bg: rgba(16, 185, 129, 0.1);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.1);
}

#calculator .calc-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

#calculator .calc-intro p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: 12px;
}

#calculator .calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

@media (max-width: 992px) {
    #calculator .calc-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Cards */
#calculator .calc-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(27, 73, 101, 0.05);
    margin-bottom: 24px;
}

#calculator .calc-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
    color: var(--dark);
}

/* Dashboard gradient card */
#calculator .dashboard-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
}

#calculator .dashboard-card .calc-card-title {
    color: var(--bg-white);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: 0;
}

#calculator .dashboard-card::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(238, 83, 79, 0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

#calculator .dashboard-header {
    z-index: 1;
}

#calculator .dashboard-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    z-index: 1;
}

@media (max-width: 480px) {
    #calculator .dashboard-grid {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
}

/* Progress ring */
#calculator .progress-ring-container {
    position: relative;
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

#calculator .progress-ring {
    transform: rotate(-90deg);
}

#calculator .progress-ring__circle-bg {
    stroke: rgba(255, 255, 255, 0.12);
}

#calculator .progress-ring__circle {
    stroke-linecap: round;
    transition: stroke-dashoffset 0.4s ease;
    transform-origin: 50% 50%;
}

#calculator .progress-ring-text {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#calculator .progress-ring-text .days-val {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1;
}

#calculator .progress-ring-text .days-lbl {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
    opacity: 0.75;
}

#calculator .stats-text {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

#calculator .stats-text .stat-item {
    font-size: 1.05rem;
    opacity: 0.9;
}

#calculator .stats-text .stat-highlight {
    font-weight: 700;
    font-size: 1.2rem;
}

#calculator .rolling-period {
    font-size: 0.85rem;
    opacity: 0.7;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 12px;
    margin-top: 8px;
}

/* Status banner */
#calculator .status-banner {
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-weight: 500;
    font-size: 0.95rem;
    z-index: 1;
}

#calculator .status-banner svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin-top: 1px;
}

#calculator .status-banner.safe {
    background-color: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #d1fae5;
}
#calculator .status-banner.warning {
    background-color: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: #fef3c7;
}
#calculator .status-banner.danger {
    background-color: rgba(239, 68, 68, 0.18);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fee2e2;
}

/* Inspector calendar */
#calculator .inspector-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#calculator .inspector-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

#calculator .calendar-wrapper {
    margin-top: 4px;
}

#calculator .calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

#calculator .btn-cal-nav {
    background: var(--bg-white);
    border: 1px solid #cbd5e1;
    color: var(--text-main);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#calculator .btn-cal-nav:hover {
    background: #f1f5f9;
    border-color: var(--primary);
    color: var(--primary);
    transform: scale(1.05);
}

#calculator .btn-cal-nav svg {
    width: 16px;
    height: 16px;
}

#calculator .calendar-month-year {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--dark);
    min-width: 140px;
    text-align: center;
}

#calculator .calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 6px;
    border-bottom: 1px solid #f1f5f9;
}

#calculator .calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    margin-top: 8px;
}

#calculator .calendar-day-cell {
    display: block;
    min-height: 48px;
    padding: 4px 6px;
    border-radius: var(--radius-md);
    background: var(--bg-white);
    border: 1px solid #f1f5f9;
    cursor: pointer;
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#calculator .calendar-day-cell:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 10px rgba(27, 73, 101, 0.08);
    transform: translateY(-2px);
}

#calculator .calendar-day-cell.empty {
    background: transparent;
    border: none;
    cursor: default;
    pointer-events: none;
    min-height: 52px;
}

#calculator .calendar-day-cell.selected {
    background: #eef2f6;
    border: 2px solid var(--primary);
    box-shadow: 0 4px 12px rgba(27, 73, 101, 0.15);
}

#calculator .calendar-day-cell.trip-day {
    background-color: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
}

#calculator .calendar-day-cell.trip-day:hover {
    background-color: rgba(99, 102, 241, 0.14);
}

#calculator .calendar-day-cell.trip-day.selected {
    background-color: rgba(99, 102, 241, 0.12);
    border: 2px solid var(--primary);
}

#calculator .day-number {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark);
}

#calculator .calendar-day-cell.trip-day .day-number {
    color: #4338ca;
    font-weight: 700;
}

#calculator .remaining-count {
    position: absolute;
    bottom: 4px;
    right: 7px;
    font-size: 0.725rem;
    font-weight: 800;
    line-height: 1;
}

#calculator .remaining-count.safe {
    color: #059669;
}

#calculator .remaining-count.danger {
    color: #dc2626;
    font-weight: 900;
}

#calculator .calendar-legend {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid #f1f5f9;
    font-size: 0.725rem;
    color: var(--text-light);
}

#calculator .legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

#calculator .legend-square.trip {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background-color: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.35);
    display: inline-block;
}

/* Form */
#calculator .form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

#calculator .form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

@media (max-width: 480px) {
    #calculator .form-row-2 {
        grid-template-columns: 1fr;
    }
}

#calculator .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#calculator label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
}

#calculator input[type="date"], #calculator input[type="text"] {
    font-family: inherit;
    font-size: 1rem;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid #cbd5e1;
    background-color: #f8fafc;
    color: var(--dark);
    outline: none;
    transition: all 0.2s ease;
}

#calculator input[type="date"]:focus, #calculator input[type="text"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27, 73, 101, 0.15);
    background-color: var(--bg-white);
}

/* Calculator buttons (cbtn, not .btn: the landing's .btn is the store buttons) */
#calculator .cbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 100px;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    gap: 8px;
}

#calculator .cbtn-primary {
    background: var(--dark);
    color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

#calculator .cbtn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    background: #000;
}

#calculator .cbtn-secondary {
    background: #e2e8f0;
    color: var(--text-main);
}

#calculator .cbtn-secondary:hover {
    background: #cbd5e1;
}

#calculator .cbtn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

#calculator .button-group {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

/* Form alert */
#calculator .alert {
    display: none;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

#calculator .alert.alert-danger {
    display: flex;
    background-color: var(--color-danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #b91c1c;
}

/* Trip checklist */
#calculator .trip-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 12px;
}

#calculator .trip-list-header .calc-card-title {
    margin-bottom: 0;
}

#calculator .trip-count-badge {
    background: var(--primary);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
}

#calculator .trip-timeline {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 520px;
    overflow-y: auto;
    padding-right: 8px;
}

#calculator .trip-timeline::-webkit-scrollbar {
    width: 6px;
}
#calculator .trip-timeline::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}
#calculator .trip-timeline::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}
#calculator .trip-timeline::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

#calculator .trip-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
    animation: calcFadeIn 0.3s ease;
}

#calculator .trip-card:hover {
    border-color: var(--primary);
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

#calculator .trip-card-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

#calculator .trip-card-name {
    font-weight: 700;
    color: var(--dark);
    font-size: 1.05rem;
}

#calculator .trip-card-dates {
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

#calculator .trip-card-dates svg {
    width: 16px;
    height: 16px;
    color: var(--text-light);
}

#calculator .trip-duration-badge {
    background: rgba(27, 73, 101, 0.08);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    display: inline-block;
    margin-top: 2px;
}

#calculator .trip-card-actions {
    display: flex;
    gap: 6px;
}

#calculator .action-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 1px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-main);
}

#calculator .action-icon-btn:hover {
    background-color: #f1f5f9;
    color: var(--dark);
}

#calculator .action-icon-btn.edit-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

#calculator .action-icon-btn.delete-btn:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    background-color: #fff5f5;
}

#calculator .action-icon-btn svg {
    width: 16px;
    height: 16px;
}

/* Empty state */
#calculator .empty-state {
    text-align: center;
    padding: 48px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

#calculator .empty-state-icon {
    width: 64px;
    height: 64px;
    background: #FDF1D6;
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#calculator .empty-state-icon svg {
    width: 32px;
    height: 32px;
}

#calculator .empty-state h4 {
    font-size: 1.25rem;
    color: var(--dark);
}

#calculator .empty-state p {
    color: var(--text-light);
    font-size: 0.95rem;
    max-width: 280px;
}

/* Embedded add-stay form */
#calculator .add-stay-form-container {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.01);
    animation: calcFadeIn 0.3s ease;
}

#calculator .add-stay-form-container h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-top: 0;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px dashed #cbd5e1;
}

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

/* Mobile tweaks */
@media (max-width: 576px) {
    #calculator .trip-count-badge .count-text {
        display: none;
    }
    #calculator .cbtn-sm .btn-text {
        display: none;
    }
    #calculator .cbtn-sm {
        padding: 6px 8px;
    }
    #calculator .trip-card {
        padding: 12px;
        gap: 8px;
    }
    #calculator .trip-card-name {
        font-size: 0.95rem;
    }
    #calculator .trip-card-dates {
        font-size: 0.8rem;
        /* No nowrap here: the Ukrainian date range is wider than a 375px phone
           and an unwrappable line stretches the whole page into horizontal scroll */
        flex-wrap: wrap;
        letter-spacing: -0.01em;
    }
    #calculator .trip-card-dates svg {
        width: 14px;
        height: 14px;
    }
    #calculator .trip-duration-badge {
        font-size: 0.8rem;
        padding: 2px 6px;
    }
    #calculator .action-icon-btn {
        width: 32px;
        height: 32px;
    }
    #calculator .action-icon-btn svg {
        width: 14px;
        height: 14px;
    }
    #calculator .calc-card {
        padding: 16px;
        border-radius: 16px;
    }
    #calculator .dashboard-card {
        padding: 20px;
        border-radius: 16px;
    }
    #calculator .rolling-period {
        font-size: 0.8rem;
        overflow-wrap: anywhere;
        word-break: break-word;
    }
    #calculator .calendar-legend {
        justify-content: flex-start;
        gap: 8px 12px;
    }
    #calculator .calendar-day-cell {
        min-height: 44px;
        padding: 3px 4px;
    }
    #calculator .day-number {
        top: 8px;
        font-size: 0.85rem;
    }
    #calculator .remaining-count {
        bottom: 2px;
        right: 4px;
        font-size: 0.65rem;
    }
}