/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */
:root {
    --primary-color: #2ecc71;
    --primary-hover: #27ae60;
    --navy-bg: #1a2744;
    --bg-gray: #f3f7f9;
    --text-main: #2c3e50;
    --text-muted: #7f8c8d;
    --border-color: #e0e6ed;
    --white: #ffffff;
    --accent: #3498db;

    --grade1-color: #27ae60;
    --grade2-color: #f39c12;
    --grade3-color: #e74c3c;
}

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

body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-gray);
    min-height: 100vh;
    font-size: 16px;
    line-height: 1.6;
}

/* ==========================================================================
   Header
   ========================================================================== */
.app-header {
    background: linear-gradient(135deg, #1a2744, #3a5a8a);
    color: var(--white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-inner {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 22px;
}

.header-logo h1 {
    font-size: 18px;
    font-weight: 700;
}

.nav-btn {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: rgba(255,255,255,0.2);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.app-main {
    padding: 20px 0 60px;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top card: regimen input */
.top-card {
    background: var(--white);
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.top-card .input-group {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-card .input-group label {
    white-space: nowrap;
    font-weight: 700;
    font-size: 14px;
    margin: 0;
}

.top-card .input-group input {
    flex: 1;
    max-width: 500px;
}

/* 2-column grid */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}

.right-panels {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Panels */
.panel {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.panel-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}

.panel-icon {
    font-size: 17px;
}

.panel-subtitle {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.input-group {
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
}

input[type="text"], textarea, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.mt-20 { margin-top: 20px; }

/* ==========================================================================
   Tree UI (Symptoms)
   ========================================================================== */
.tree-container {
    margin-bottom: 10px;
}

.category-node {
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.category-header {
    background-color: #f0f7ff;
    padding: 10px 14px;
    font-weight: 700;
    font-size: 13px;
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    border-bottom: 2px solid var(--accent);
    color: var(--accent);
}

.symptom-list {
    display: none;
}

.category-node.open .symptom-list {
    display: block;
    background: var(--white);
}

.symptom-item-container {
    border-top: 1px solid var(--border-color);
}

.symptom-item {
    padding: 9px 14px;
    display: flex;
    align-items: flex-start;
    gap: 9px;
    cursor: pointer;
    font-size: 13px;
}

.symptom-item:hover { background: #f1f8ff; }
.symptom-item.selected { background: #e8f4fd; }

.symptom-info {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.symptom-name {
    font-size: 13px;
}

/* ==========================================================================
   Adherence UI
   ========================================================================== */
.adherence-row {
    background: #fdfdfd;
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.adherence-row-header {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.med-name-input {
    flex: 1;
    font-size: 13px !important;
    padding: 7px 10px !important;
}

.med-type-select {
    width: auto !important;
    font-size: 13px !important;
    padding: 7px 10px !important;
}

.status-btn-container {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
}

.status-btn {
    padding: 5px 10px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    background: var(--white);
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
}

.status-btn.selected {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.med-memo-input {
    font-size: 13px !important;
    padding: 7px 10px !important;
}

.add-row-btn {
    width: 100%;
    padding: 9px;
    background: var(--white);
    border: 1px dashed var(--accent);
    color: var(--accent);
    font-weight: 700;
    font-size: 13px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
}

.add-row-btn:hover {
    background: #f0f7ff;
}

/* ==========================================================================
   SOAP Preview Panel
   ========================================================================== */
.report-area {
    background-color: #f9fafb;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.sheet-preview {
    font-size: 13px;
    white-space: pre-wrap;
    min-height: 160px;
    line-height: 1.7;
    color: var(--text-main);
}

.final-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.copy-complete-btn {
    flex: 1;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.2s;
    font-family: inherit;
}

.copy-complete-btn:hover {
    background-color: var(--primary-hover);
}

.print-support-btn {
    flex: 1;
    background-color: var(--white);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: inherit;
}

.reset-footer {
    text-align: right;
}

.reset-btn-link {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    text-decoration: underline;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================================================
   Grade Badges
   ========================================================================== */
.grade-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    color: white;
}
.grade-1 { background: var(--grade1-color); }
.grade-2 { background: var(--grade2-color); }
.grade-3 { background: var(--grade3-color); }

/* ==========================================================================
   Pain Parts Grid
   ========================================================================== */
.symptom-details-container {
    padding: 10px 14px 10px 36px;
    background: #f8f9fa;
}

.parts-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.part-item {
    font-size: 12px;
    padding: 3px 9px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 14px;
    cursor: pointer;
}

.part-item.active {
    background: #e8f4fd;
    border-color: var(--accent);
    color: var(--accent);
}

/* ==========================================================================
   Toast & Copy Message
   ========================================================================== */
.copy-floating-msg {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1000;
}

.copy-floating-msg.show { opacity: 1; }

.toast-container {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 999;
}

/* ==========================================================================
   Print
   ========================================================================== */
.print-only { display: none; }

@media print {
    body * { visibility: hidden; }
    #print-area, #print-area * { visibility: visible; }
    #print-area { position: absolute; left: 0; top: 0; display: block; width: 100%; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .top-card .input-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .top-card .input-group input {
        max-width: 100%;
    }

    .final-actions {
        flex-direction: column;
    }
}