:root {
    --pink: #FF8FAB;
    --pink-light: #FFB3C6;
    --pink-dark: #D9607A;
    --mint: #B5EAD7;
    --mint-dark: #5EAF94;
    --peach: #FFDAC1;
    --lavender: #C7CEEA;
    --bg: #FFF5F7;
    --white: #FFFFFF;
    --text: #3D2B35;
    --text-mid: #7A6570;
    --text-soft: #B5A0A8;
    --border: #F5D6E0;
    --shadow: rgba(255,143,171,0.12);
    --shadow-md: rgba(255,143,171,0.22);
    --radius: 20px;
    --radius-sm: 12px;
    --font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.app {
    max-width: 500px;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--bg);
}

/* ── Header ── */
.header {
    background: linear-gradient(135deg, var(--pink) 0%, var(--pink-light) 100%);
    padding: 44px 24px 38px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0; right: 0;
    height: 42px;
    background: var(--bg);
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

.logo {
    font-size: 30px;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 14px;
    color: rgba(255,255,255,0.88);
    font-weight: 300;
    margin-top: 6px;
    letter-spacing: 0.3px;
}

/* ── Card ── */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 4px 20px var(--shadow);
    margin-bottom: 14px;
}

/* ── Section ── */
.section {
    padding: 28px 16px 0;
}

.section.hidden { display: none; }

/* ── Form ── */
.card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border);
}

.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.optional {
    font-weight: 400;
    font-size: 12px;
    color: var(--text-soft);
}

.form-input {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
}

.form-input:focus {
    border-color: var(--pink);
    box-shadow: 0 0 0 4px rgba(255,143,171,0.12);
}

.form-input::placeholder { color: var(--text-soft); }

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23B5A0A8' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-row { display: flex; gap: 12px; }

.age-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.age-unit {
    position: absolute;
    right: 14px;
    color: var(--text-mid);
    font-size: 14px;
    pointer-events: none;
}

/* ── Events ── */
.events-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.event-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--bg);
    transition: all 0.2s;
    user-select: none;
}

.event-chip:hover { border-color: var(--pink-light); background: rgba(255,143,171,0.05); }

.event-chip.selected {
    border-color: var(--pink);
    background: rgba(255,143,171,0.1);
}

.event-chip.selected .event-text { color: var(--pink-dark); font-weight: 600; }

.event-icon { font-size: 20px; flex-shrink: 0; }

.event-text { font-size: 13px; font-weight: 500; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 13px 22px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-generate {
    width: 100%;
    background: linear-gradient(135deg, var(--pink) 0%, var(--pink-dark) 100%);
    color: white;
    font-size: 16px;
    padding: 16px;
    box-shadow: 0 4px 16px var(--shadow-md);
    margin-top: 4px;
    border-radius: var(--radius);
}

.btn-generate:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--shadow-md); }
.btn-generate:active { transform: translateY(0); }

.btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-mid);
}

.btn-outline:hover { border-color: var(--pink); color: var(--pink-dark); }

.btn-sm { padding: 8px 14px; font-size: 13px; border-radius: 10px; }

.btn-regenerate {
    width: 100%;
    background: linear-gradient(135deg, var(--mint) 0%, #7DD4BA 100%);
    color: #1E5E4A;
    font-size: 15px;
    padding: 16px;
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(181,234,215,0.4);
}

.btn-regenerate:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(181,234,215,0.5); }

.btn-primary {
    background: linear-gradient(135deg, var(--pink) 0%, var(--pink-dark) 100%);
    color: white;
}

/* ── Routine Header ── */
.routine-header-card {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.routine-title {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.3;
}

.routine-date {
    font-size: 13px;
    color: var(--text-soft);
    margin-top: 4px;
}

.routine-age {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--pink-dark);
    background: rgba(255,143,171,0.12);
    padding: 3px 10px;
    border-radius: 100px;
    margin-top: 6px;
}

/* ── Progress ── */
.progress-card { padding: 18px 24px; }

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.progress-label { font-size: 13px; font-weight: 500; color: var(--text-mid); }

.progress-count { font-size: 13px; font-weight: 700; color: var(--pink); }

.progress-track {
    height: 9px;
    background: var(--border);
    border-radius: 100px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--pink-light), var(--pink-dark));
    border-radius: 100px;
    transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}

.progress-percent {
    text-align: right;
    font-size: 12px;
    color: var(--text-soft);
    margin-top: 6px;
}

/* ── Routine List ── */
.routine-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0 16px;
}

.task-item {
    background: var(--white);
    border-radius: 16px;
    padding: 15px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 2px 12px var(--shadow);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.25s;
    animation: fadeUp 0.35s ease forwards;
    opacity: 0;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.task-item:hover { border-color: var(--border); transform: translateX(3px); }

.task-item.completed {
    opacity: 0.55;
    background: #FAFAFA;
}

.task-item.completed .task-title {
    text-decoration: line-through;
    color: var(--text-soft);
}

.task-item.rescheduled {
    border-color: var(--mint);
    background: #F0FBF7;
}

/* Checkbox */
.task-check {
    width: 26px;
    height: 26px;
    border: 2.5px solid var(--border);
    border-radius: 8px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    background: white;
    font-size: 14px;
    color: transparent;
}

.task-item.completed .task-check {
    background: var(--pink);
    border-color: var(--pink);
    color: white;
}

/* Time Block */
.task-time-block {
    flex-shrink: 0;
    text-align: right;
    min-width: 54px;
}

.task-time {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--pink-dark);
    letter-spacing: -0.5px;
}

.task-period {
    font-size: 11px;
    color: var(--text-soft);
}

/* Divider */
.task-divider {
    width: 1px;
    height: 36px;
    background: var(--border);
    flex-shrink: 0;
}

/* Task Content */
.task-content { flex: 1; min-width: 0; }

.task-header {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
}

.task-icon { font-size: 17px; flex-shrink: 0; }

.task-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.3;
}

.task-desc {
    font-size: 12px;
    color: var(--text-soft);
    margin-top: 3px;
}

.badge-changed {
    font-size: 10px;
    font-weight: 700;
    background: var(--mint);
    color: var(--mint-dark);
    padding: 2px 8px;
    border-radius: 100px;
    flex-shrink: 0;
}

/* ── Routine Actions ── */
.routine-actions { padding: 8px 16px 32px; }

.regen-hint {
    text-align: center;
    font-size: 12px;
    color: var(--text-soft);
    margin-top: 9px;
}

/* ── Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.38);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px;
}

.modal-overlay.hidden { display: none; }

.modal {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    max-width: 300px;
    width: 100%;
    box-shadow: 0 24px 60px rgba(0,0,0,0.18);
    animation: popIn 0.28s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes popIn {
    from { transform: scale(0.88); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-icon { font-size: 44px; margin-bottom: 14px; }

.modal h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.modal p {
    font-size: 14px;
    color: var(--text-mid);
    margin-bottom: 24px;
    line-height: 1.7;
}

.modal-btns {
    display: flex;
    gap: 10px;
}

.modal-btns .btn { flex: 1; }

/* ── Toast ── */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: rgba(61,43,53,0.9);
    color: white;
    padding: 12px 22px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    z-index: 2000;
    white-space: nowrap;
    transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
    pointer-events: none;
    backdrop-filter: blur(8px);
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* ── Footer ── */
.footer {
    padding: 28px 16px;
    text-align: center;
    font-size: 13px;
    color: var(--text-soft);
}

/* ── Responsive ── */
@media (max-width: 380px) {
    .events-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; gap: 0; }
    #monthsGroup { margin-top: 0; }
}