:root {
    --primary: #E3193F;
    --bg: #0A0A0A;
    --card: #1C1C1E;
    --text: #FFFFFF;
    --text-dim: #8E8E93;
    --border: #3A3A3C;
    --blue: #007AFF;
    --warn: #FFB340;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.app-container {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.app-header {
    padding: 20px;
    text-align: left;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.app-header h1 {
    font-size: 24px;
    font-weight: 800;
    margin: 0;
}

.app-subtitle {
    color: var(--text-dim);
    font-size: 12px;
    margin-top: 4px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.session-user {
    font-size: 12px;
    color: var(--text-dim);
}

.ghost-btn {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
}

.content {
    padding: 0 16px;
}

.card {
    background: var(--card);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--text-dim);
}

.card-header label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
}

.card-header .material-icons {
    font-size: 18px;
}

.input-group {
    position: relative;
    margin-bottom: 12px;
}

.node-input {
    width: 100%;
    background: #2C2C2E;
    border: none;
    border-radius: 12px;
    padding: 16px;
    color: white;
    font-size: 16px;
    box-sizing: border-box;
}

.clear-btn {
    position: absolute;
    right: 12px;
    top: 8px;
    color: var(--text-dim);
    opacity: 0.8;
    cursor: pointer;
}

.suggestions {
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    margin-top: 6px;
    background: #2C2C2E;
    border: 1px solid var(--border);
    border-radius: 12px;
    z-index: 5;
    overflow: hidden;
    box-sizing: border-box;
}

.suggestions.hidden {
    display: none;
}

.suggestion-item {
    width: 100%;
    text-align: left;
    border: none;
    border-bottom: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    padding: 12px 14px;
    font-size: 14px;
    cursor: pointer;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background: #3A3A3C;
}

.action-row {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.secondary-btn {
    flex: 1;
    background: #2C2C2E;
    border: 1px solid var(--border);
    color: white;
    padding: 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 14px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item span,
.setting-item label {
    color: var(--text-dim);
}

.setting-item input,
.setting-item select {
    background: transparent;
    border: none;
    color: var(--blue);
    font-size: 16px;
    text-align: right;
    font-weight: 600;
}

.check-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tunnel-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.t-btn {
    background: #2C2C2E;
    border: 1px solid var(--border);
    padding: 12px 5px;
    border-radius: 10px;
    color: var(--text-dim);
    font-size: 12px;
    text-align: center;
}

.t-btn:not(.visible) {
    display: none;
}

.t-btn.visible {
    display: block;
}

.t-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.stat-card {
    background: var(--card);
    padding: 15px;
    border-radius: 16px;
    border: 1px solid var(--border);
    text-align: center;
}

.stat-card span {
    display: block;
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 5px;
}

.stat-card b {
    font-size: 18px;
    color: white;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(28, 28, 30, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    padding: 20px 16px 34px;
    z-index: 1000;
}

.nav-content {
    max-width: 468px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.total-price small {
    color: var(--text-dim);
    font-size: 12px;
}

.price-val {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
}

.primary-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 16px;
    font-weight: bold;
    font-size: 16px;
}

.route-summary {
    border-radius: 20px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    padding: 14px;
    background: var(--card);
    min-height: 20px;
}

.route-map-canvas {
    width: 100%;
    height: 240px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 14px;
    border: 1px solid var(--border);
}

.summary-title {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 12px;
    font-weight: 600;
}

.route-summary-card {
    background: #252527;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 8px;
}

.route-summary-card:last-child {
    margin-bottom: 0;
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
}

.summary-header span {
    color: var(--text-dim);
    font-size: 12px;
}

.summary-line {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 4px;
}

.summary-line.muted {
    color: var(--text-dim);
    font-size: 12px;
}

.summary-line.warning {
    color: var(--warn);
    font-size: 12px;
}

.status-message {
    min-height: 24px;
    border-radius: 12px;
    padding: 8px 10px;
    font-size: 14px;
}

.status-message.hidden {
    display: none;
}

.status-message.error {
    background: rgba(255, 79, 79, 0.12);
    color: #FF6B6B;
    border: 1px solid rgba(255, 79, 79, 0.4);
}

.status-message.info {
    background: rgba(0, 122, 255, 0.12);
    color: #5AC8FA;
    border: 1px solid rgba(90, 200, 250, 0.4);
}

.hidden,
.hidden-section {
    display: none;
}

#map {
    margin-bottom: 16px;
}

.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.login-shell {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 28px 22px;
}

.login-brand {
    color: var(--text-dim);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px;
}

.login-card h1 {
    margin: 0 0 8px;
}

.login-copy {
    margin: 0 0 20px;
    color: var(--text-dim);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.login-label {
    color: var(--text-dim);
    font-size: 13px;
}

.login-input {
    width: 100%;
    background: #2C2C2E;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    color: white;
    font-size: 16px;
    box-sizing: border-box;
}

.login-btn {
    margin-top: 10px;
    width: 100%;
}