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

/* ── Auth Lock Screen ── */
.auth-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}
.auth-card {
    text-align: center;
    background: var(--bg-card);
    padding: 40px 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 90%;
    max-width: 360px;
}
.auth-icon {
    width: 72px;
    height: 72px;
    margin-bottom: 16px;
}
.auth-card h2 {
    margin-bottom: 4px;
    color: var(--pink-dark);
}
.auth-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.9rem;
}
.auth-card input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--pink-light);
    border-radius: 12px;
    font-size: 1rem;
    outline: none;
    margin-bottom: 16px;
    text-align: center;
    letter-spacing: 4px;
}
.auth-card input[type="password"]:focus {
    border-color: var(--pink);
}
.auth-error {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 8px;
}
.auth-screen.hidden {
    display: none;
}

:root {
    --pink: #ff6b8a;
    --pink-light: #ffb3c6;
    --pink-dark: #e0456b;
    --bg: #fff5f7;
    --bg-card: #ffffff;
    --bg-modal: #ffffff;
    --text: #2d2d3a;
    --text-muted: #8e8ea0;
    --radius: 16px;
    --shadow: 0 8px 32px rgba(255, 107, 138, 0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.app {
    max-width: 480px;
    margin: 0 auto;
    padding: 16px;
    padding-bottom: 40px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0 12px;
}

.header h1 {
    font-size: 1.4rem;
    background: linear-gradient(135deg, var(--pink), var(--pink-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-add {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--pink-light));
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    flex-shrink: 0;
}

.btn-add:hover {
    background: var(--pink-dark);
    transform: scale(1.1);
}

.btn-icon {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.btn-icon:hover {
    color: var(--pink);
    background: rgba(255, 107, 138, 0.1);
}

.header-spacer {
    width: 44px;
}

/* Main Counter */
.main-counter {
    text-align: center;
    padding: 98px 24px;
    background: linear-gradient(145deg, #fff0f3, #ffe0e6);
    border-radius: var(--radius);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.main-counter.has-bg {
    background: none;
    background-size: cover;
    background-position: center;
}

.main-counter.has-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    pointer-events: none;
    z-index: 0;
}

.main-counter.has-bg > * {
    position: relative;
    z-index: 1;
}

.main-counter.has-bg .partner-names,
.main-counter.has-bg .counter-label,
.main-counter.has-bg .day-count,
.main-counter.has-bg .start-date {
    color: #ffffff;
}

.main-counter.has-bg .avatar-heart svg {
    fill: #ffffff;
}

.main-counter:not(.has-bg)::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 138, 0.12) 0%, transparent 60%);
    pointer-events: none;
}

.bg-preview-wrapper {
    margin-bottom: 10px;
}

.bg-preview {
    width: 100%;
    height: 100px;
    border-radius: 12px;
    background: #fff0f3;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

/* Avatars */
.avatars {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pink), var(--pink-light));
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: visible;
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    box-shadow: 0 4px 16px rgba(255, 107, 138, 0.35);
}

.avatar-badge {
    position: absolute;
    width: 40px;
    height: 40px;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
    pointer-events: none;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.2));
}

.avatar:hover {
    transform: scale(1.08);
    box-shadow: 0 0 20px rgba(255, 107, 138, 0.3);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.avatar-initial {
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    user-select: none;
}

.avatar-heart {
    font-size: 1.4rem;
    color: var(--pink);
    opacity: 0.9;
}

.partner-names {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

/* Setup avatars */
.setup-avatars {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 8px;
}

.setup-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #fff0f3;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
    position: relative;
}

.setup-avatar:hover {
    background: #ffe0e6;
    transform: scale(1.05);
}

.setup-avatar .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.setup-avatar-placeholder {
    font-size: 1.6rem;
    color: var(--text-muted);
    user-select: none;
}

.counter-label {
    font-size: 0.95rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.day-count {
    font-size: 5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink), var(--pink-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.start-date {
    margin-top: 18px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Setup Screen */
.setup-screen {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.setup-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px 32px;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow);
    text-align: center;
}

.setup-card h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--pink), var(--pink-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.setup-card > p {
    color: var(--text-muted);
    margin-bottom: 28px;
}

/* Forms */
.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: #fff0f3;
    border: none;
    border-radius: 12px;
    color: var(--text);
    font-size: 1rem;
    transition: background 0.2s;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    opacity: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    cursor: pointer;
}

.form-group input[type="date"] {
    position: relative;
}

.form-group input:focus,
.form-group select:focus {
    background: #ffe0e6;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text);
    font-size: 0.95rem;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--pink);
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--pink);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    margin-top: 8px;
}

.btn-primary:hover {
    background: var(--pink-dark);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    padding: 14px 24px;
    background: #fff0f3;
    color: var(--text-muted);
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: #ffe0e6;
}

.btn-outline {
    padding: 12px 24px;
    background: #fff0f3;
    border: none;
    color: var(--pink);
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-outline:hover {
    background: var(--pink);
    color: white;
}

.btn-outline.enabled {
    background: var(--pink);
    color: white;
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 8px;
    transition: color 0.2s;
}

.btn-text:hover {
    color: #ff4444;
}

/* Scorecards */
.scorecards {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.scorecard {
    flex: 1;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 20px 12px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(255, 107, 138, 0.08);
}

.scorecard-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink), var(--pink-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.scorecard-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

/* Events List */
.events-list {
    margin-bottom: 32px;
}

.events-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}

.events-header h2 {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.events-list h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.event-card {
    background: var(--bg-card);
    border-radius: 14px;
    padding: 12px 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.2s;
    box-shadow: 0 2px 12px rgba(255, 107, 138, 0.08);
    cursor: pointer;
}

.event-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    object-fit: contain;
}

.event-info {
    flex: 1;
    min-width: 0;
}

.event-card:hover {
    transform: translateY(-2px);
}

.event-info h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.event-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.event-right {
    text-align: right;
    display: flex;
    align-items: center;
    gap: 12px;
}

.event-days {
    text-align: right;
}

.event-days .count {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pink);
}

.event-days .label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.event-past .count {
    color: var(--text-muted);
}

.event-today .count {
    color: #4ade80;
    font-size: 1.1rem;
}

.btn-delete-event {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    opacity: 0.5;
    transition: opacity 0.2s, color 0.2s;
}

.btn-delete-event:hover {
    opacity: 1;
    color: #ff4444;
}

.btn-show-more {
    width: 100%;
    padding: 12px;
    background: #fff0f3;
    border: none;
    border-radius: 14px;
    color: var(--pink);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 4px;
}

.btn-show-more:hover {
    background: #ffe0e6;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-modal);
    border-radius: var(--radius);
    padding: 32px 28px;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow);
}

.modal-content h2 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* Calendar Modal */
.calendar-modal {
    max-width: 360px;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.calendar-header h2 {
    font-size: 1.1rem;
    margin-bottom: 0;
}

.calendar-header .btn-icon {
    width: 36px;
    height: 36px;
    font-size: 1.6rem;
}

.cal-event-name {
    text-align: center;
    color: var(--pink-light);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.calendar-grid {
    user-select: none;
}

.cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

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

.cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cal-day.current-month {
    color: var(--text);
}

.cal-day.today {
    border: none;
    background: #fff0f3;
}

.cal-day.highlight {
    background: var(--pink);
    color: white;
    font-weight: 700;
}

.modal-actions .btn-primary {
    flex: 1;
    margin-top: 0;
}

.modal-actions .btn-secondary {
    flex: 0 0 auto;
}

/* Settings */
.settings-page {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 50;
    overflow-y: auto;
    padding: 0 16px 40px;
}

.settings-page .header {
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 1;
}

.settings-content {
    max-width: 480px;
    margin: 0 auto;
}

.settings-group {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px 20px;
    margin-bottom: 16px;
}

.settings-group h3 {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8rem;
}

.settings-group .btn-outline {
    width: 100%;
}

.backup-buttons {
    display: flex;
    gap: 12px;
}

.backup-buttons .btn-outline {
    flex: 1;
}

.settings-danger .btn-text {
    color: #ff4444;
    width: 100%;
    text-align: center;
    font-size: 0.95rem;
    padding: 12px;
}

.settings-danger .btn-text:hover {
    background: rgba(255, 68, 68, 0.1);
    border-radius: 12px;
}

/* Utility */
.hidden {
    display: none !important;
}

/* Milestone badges */
.milestone-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--pink), #ff9a56);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    margin-top: 4px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.main-counter {
    animation: fadeIn 0.6s ease-out;
}

.event-card {
    animation: fadeIn 0.4s ease-out;
}

/* Responsive */
@media (max-width: 360px) {
    .day-count {
        font-size: 3.5rem;
    }
    .setup-card {
        padding: 28px 20px;
    }
}