:root {
    --bg-primary: #FFF8F5;
    --bg-card: #FFFFFF;
    --bg-soft: #FFEEF2;
    --pink-main: #E91E63;
    --pink-soft: #F8BBD0;
    --pink-ultra-soft: #FCE4EC;
    --pink-deep: #C2185B;
    --text-main: #3E2723;
    --text-soft: #795548;
    --text-placeholder: #BCAAA4;
    --border: #F8BBD0;
    --shadow: 0 6px 20px rgba(233, 30, 99, 0.08);
    --shadow-hover: 0 10px 28px rgba(233, 30, 99, 0.15);
    --radius-l: 24px;
    --radius-m: 16px;
    --radius-s: 12px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'M PLUS Rounded 1c', 'Hiragino Maru Gothic ProN', -apple-system, sans-serif;
    background: linear-gradient(180deg, #FFF8F5 0%, #FFEEF2 100%);
    color: var(--text-main);
    line-height: 1.7;
    min-height: 100vh;
    font-size: 18px;
    font-weight: 500;
}

.app {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px 40px;
}

/* Header */
.app-header {
    padding: 24px 0 16px;
    text-align: center;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.header-mascot {
    width: 72px;
    height: auto;
    filter: drop-shadow(0 4px 10px rgba(233, 30, 99, 0.2));
}

.header-text {
    text-align: left;
}

.header-text h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--pink-deep);
    letter-spacing: -0.5px;
    margin-bottom: 2px;
}

.header-text p {
    font-size: 0.95rem;
    color: var(--text-soft);
    font-weight: 500;
}

/* Tab Nav */
.tab-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    background: var(--bg-card);
    padding: 8px;
    border-radius: var(--radius-l);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    position: sticky;
    top: 12px;
    z-index: 10;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 12px 4px;
    border-radius: var(--radius-m);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-family: inherit;
    color: var(--text-soft);
}

.tab-btn:hover {
    background: var(--pink-ultra-soft);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--pink-main), var(--pink-deep));
    color: white;
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}

.tab-emoji {
    font-size: 1.4rem;
    line-height: 1;
}

.tab-label {
    font-size: 0.8rem;
    font-weight: 700;
}

/* Panels */
.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

.panel-header {
    margin-bottom: 16px;
    padding: 0 4px;
}

.panel-header h2 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--pink-deep);
    margin-bottom: 4px;
}

.panel-desc {
    font-size: 0.95rem;
    color: var(--text-soft);
}

/* Form Card */
.form-card {
    background: var(--bg-card);
    border-radius: var(--radius-l);
    padding: 24px;
    box-shadow: var(--shadow);
}

.form-label {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--pink-deep);
    margin-bottom: 8px;
    margin-top: 18px;
}

.form-label:first-child {
    margin-top: 0;
}

.form-input,
.form-textarea {
    width: 100%;
    background: var(--bg-soft);
    border: 2px solid transparent;
    border-radius: var(--radius-m);
    padding: 14px 16px;
    font-size: 1.05rem;
    font-family: inherit;
    color: var(--text-main);
    line-height: 1.6;
    transition: var(--transition);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-placeholder);
    font-weight: 400;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--pink-main);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(233, 30, 99, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.btn {
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 700;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-m);
    cursor: pointer;
    transition: var(--transition);
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--pink-main), var(--pink-deep));
    color: white;
    flex: 1;
    min-width: 200px;
    box-shadow: 0 4px 14px rgba(233, 30, 99, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(233, 30, 99, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--pink-ultra-soft);
    color: var(--pink-deep);
    border: 2px solid var(--pink-soft);
}

.btn-secondary:hover {
    background: var(--pink-soft);
}

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

.btn-ghost:hover {
    background: var(--bg-soft);
    color: var(--pink-deep);
}

.btn-large {
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
}

/* Checklist */
.checklist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-soft);
    border-radius: var(--radius-m);
    transition: var(--transition);
    border: 2px solid transparent;
}

.check-item:hover {
    background: var(--pink-ultra-soft);
}

.check-item.checked {
    background: var(--pink-ultra-soft);
    border-color: var(--pink-soft);
}

.check-item input[type="checkbox"] {
    width: 26px;
    height: 26px;
    accent-color: var(--pink-main);
    flex-shrink: 0;
    cursor: pointer;
    margin-top: 2px;
}

.check-item label {
    flex: 1;
    font-size: 1.05rem;
    cursor: pointer;
    line-height: 1.5;
    font-weight: 500;
}

.check-item.checked label {
    text-decoration: line-through;
    color: var(--text-soft);
}

.check-item .delete-q {
    background: transparent;
    border: none;
    color: var(--text-placeholder);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 4px;
    transition: var(--transition);
}

.check-item .delete-q:hover {
    color: var(--pink-main);
}

.add-question {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    align-items: stretch;
}

.add-question .form-input {
    flex: 1;
    margin: 0;
}

.add-question .btn {
    white-space: nowrap;
    padding: 0 20px;
    min-height: auto;
}

/* Medicine */
.medicine-card {
    background: var(--bg-card);
    border-radius: var(--radius-l);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
    position: relative;
}

.medicine-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px dashed var(--pink-ultra-soft);
}

.medicine-card-header h3 {
    font-size: 1.1rem;
    color: var(--pink-deep);
    font-weight: 800;
}

.medicine-delete-btn {
    background: transparent;
    border: none;
    color: var(--text-placeholder);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 8px;
    transition: var(--transition);
}

.medicine-delete-btn:hover {
    color: white;
    background: var(--pink-main);
}

.medicine-empty {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-l);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
    color: var(--text-soft);
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 40px 16px 20px;
    color: var(--text-soft);
    font-size: 0.85rem;
    line-height: 1.8;
}

.footer-credit {
    margin-top: 8px;
    color: var(--pink-deep);
    font-weight: 700;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--pink-deep);
    color: white;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 10px 30px rgba(194, 24, 91, 0.4);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    z-index: 1000;
    white-space: nowrap;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Mobile */
@media (max-width: 600px) {
    body {
        font-size: 17px;
    }

    .app {
        padding: 0 12px 32px;
    }

    .header-mascot {
        width: 56px;
    }

    .header-text h1 {
        font-size: 1.5rem;
    }

    .header-text p {
        font-size: 0.85rem;
    }

    .tab-label {
        font-size: 0.72rem;
    }

    .tab-emoji {
        font-size: 1.2rem;
    }

    .form-card {
        padding: 18px;
    }

    .panel-header h2 {
        font-size: 1.25rem;
    }

    .btn-primary {
        min-width: 100%;
    }

    .add-question {
        flex-direction: column;
    }
}