/* Material Design 3 Theme - #00489d Primary */

/* ==================== COLOR SYSTEM (Material Design 3) ==================== */
:root {
    /* Primary Colors */
    --md-primary-0: #000000;
    --md-primary-10: #001d36;
    --md-primary-20: #003258;
    --md-primary-30: #00497b;
    --md-primary-40: #00629f;
    --md-primary-50: #007bc5;
    --md-primary-60: #2996e4;
    --md-primary-70: #56b1ff;
    --md-primary-80: #9ccaff;
    --md-primary-90: #d1e4ff;
    --md-primary-95: #eff4ff;
    --md-primary-99: #fdfcff;
    --md-primary-100: #ffffff;

    /* Primary固定色 */
    --color-primary: #00489d;
    --color-primary-container: #d1e4ff;
    --color-on-primary: #ffffff;
    --color-on-primary-container: #001d36;

    /* Secondary Colors */
    --md-secondary-40: #006495;
    --color-secondary: #006495;
    --color-secondary-container: #cbe6ff;
    --color-on-secondary: #ffffff;
    --color-on-secondary-container: #001e30;

    /* Tertiary Colors (Complementary - Orange/Amber) */
    --md-tertiary-0: #000000;
    --md-tertiary-10: #311300;
    --md-tertiary-20: #522300;
    --md-tertiary-30: #753500;
    --md-tertiary-40: #9c4d00;
    --md-tertiary-50: #c06200;
    --md-tertiary-60: #e67e17;
    --md-tertiary-70: #ff9a4d;
    --md-tertiary-80: #ffb88c;
    --md-tertiary-90: #ffdbc6;
    --md-tertiary-95: #fff1e6;
    --md-tertiary-99: #fffbff;
    --md-tertiary-100: #ffffff;

    --color-tertiary: #9c4d00;
    --color-tertiary-container: #ffdbc6;
    --color-on-tertiary: #ffffff;
    --color-on-tertiary-container: #311300;

    /* Error Colors */
    --md-error-0: #000000;
    --md-error-10: #410e0b;
    --md-error-20: #601410;
    --md-error-30: #8c1d18;
    --md-error-40: #b3261e;
    --md-error-50: #dc362e;
    --md-error-60: #e46962;
    --md-error-70: #ef8b85;
    --md-error-80: #f2b8b5;
    --md-error-90: #f9dedc;
    --md-error-95: #fceeee;
    --md-error-99: #fffbf9;
    --md-error-100: #ffffff;

    --color-error: #b3261e;
    --color-error-container: #f9dedc;
    --color-on-error: #ffffff;
    --color-on-error-container: #410e0b;

    /* Surface Colors (Neutral Variant) */
    --md-surface-0: #000000;
    --md-surface-10: #1d1b20;
    --md-surface-20: #322f35;
    --md-surface-30: #49454f;
    --md-surface-40: #605d66;
    --md-surface-50: #79747e;
    --md-surface-60: #938f99;
    --md-surface-70: #aea9b4;
    --md-surface-80: #cac4d0;
    --md-surface-90: #e7e0ec;
    --md-surface-95: #f5eff7;
    --md-surface-99: #fffbfe;
    --md-surface-100: #ffffff;

    /* Surface Colors with subtle primary tint */
    --color-surface: #fffbfe;
    --color-surface-dim: #d8d6e1;
    --color-surface-bright: #f7f2fa;
    --color-surface-container-lowest: #ffffff;
    --color-surface-container-low: #f0f0f5;
    --color-surface-container: #e8e8ee;
    --color-surface-container-high: #e0e0e6;
    --color-surface-container-highest: #d8d8de;

    /* Background & Outline */
    --color-background: #fffbfe;
    --color-outline: #79747e;
    --color-outline-variant: #cac4d0;

    /* Text Colors */
    --color-text-primary: #1d1b20;
    --color-text-secondary: #49454f;
    --color-text-tertiary: #605d66;
    --color-text-disabled: rgba(29, 27, 32, 0.38);
    --color-text-white: #ffffff;

    /* State Opacities */
    --state-hover-opacity: 0.08;
    --state-focus-opacity: 0.12;
    --state-pressed-opacity: 0.12;
    --state-dragged-opacity: 0.16;

    /* Gradients */
    --color-primary-gradient: linear-gradient(135deg, var(--color-primary) 0%, var(--md-primary-30) 100%);
    --color-secondary-gradient: linear-gradient(135deg, var(--color-secondary) 0%, var(--md-secondary-40) 100%);

    /* Elevation Shadows (md.sys.elevation) */
    --shadow-level-0: none;
    --shadow-level-1: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-level-2: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
    --shadow-level-3: 0 6px 12px rgba(0, 0, 0, 0.11), 0 3px 6px rgba(0, 0, 0, 0.08);
    --shadow-level-4: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.06);
    --shadow-level-5: 0 15px 30px rgba(0, 0, 0, 0.12), 0 8px 10px rgba(0, 0, 0, 0.08);

    /* Legacy aliases for compatibility */
    --color-primary-start: var(--color-primary);
    --color-primary-end: var(--md-primary-30);
    --color-secondary-end: var(--md-secondary-40);
    --color-bg-page: var(--color-surface-container-low);
    --color-bg-card: var(--color-surface);
    --color-bg-border: var(--color-outline-variant);
    --color-text-light: var(--color-text-tertiary);

    /* Shape (Corner Radius) */
    --radius-none: 0;
    --radius-extra-small: 4px;
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 16px;
    --radius-extra-large: 28px;
    --radius-full: 9999px;

    /* Motion */
    --motion-duration-short-1: 50ms;
    --motion-duration-short-2: 100ms;
    --motion-duration-short-3: 150ms;
    --motion-duration-short-4: 200ms;
    --motion-duration-medium-1: 250ms;
    --motion-duration-medium-2: 300ms;
    --motion-duration-medium-3: 350ms;
    --motion-duration-medium-4: 400ms;
    --motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
    --motion-easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
    --motion-easing-accelerate: cubic-bezier(0.4, 0, 1, 1);

    /* Typography Scale */
    --font-family-base: "M PLUS 1", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-size-display-large: 3.5rem;
    --font-size-display-medium: 2.8rem;
    --font-size-display-small: 2.25rem;
    --font-size-headline-large: 2rem;
    --font-size-headline-medium: 1.75rem;
    --font-size-headline-small: 1.5rem;
    --font-size-title-large: 1.375rem;
    --font-size-title-medium: 1rem;
    --font-size-title-small: 0.875rem;
    --font-size-label-large: 0.875rem;
    --font-size-label-medium: 0.75rem;
    --font-size-label-small: 0.6875rem;
    --font-size-body-large: 1rem;
    --font-size-body-medium: 0.875rem;
    --font-size-body-small: 0.75rem;

    /* Legacy font sizes */
    --font-size-display: var(--font-size-display-small);
    --font-size-heading: var(--font-size-headline-small);
    --font-size-val: var(--font-size-title-large);
    --font-size-secondary: var(--font-size-body-large);
    --font-size-small: var(--font-size-body-medium);
    --font-size-tiny: var(--font-size-body-small);
}

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

/* ==================== BODY & BACKGROUND ==================== */
body {
    background: #f0f4f8;
    min-height: 100vh;
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== TOP APP BAR ==================== */
.top-app-bar {
    background: var(--color-surface);
    color: var(--color-text-primary);
    padding: 16px 24px;
    box-shadow: var(--shadow-level-2);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 16px;
}

.top-app-bar__title {
    font-size: var(--font-size-title-large);
    font-weight: 400;
    letter-spacing: 0.015em;
}

/* ==================== PAGE HEADER (Gradient) ==================== */
h1 {
    font-size: var(--font-size-headline-small);
    font-weight: 400;
    color: var(--color-on-primary);
    text-align: center;
    padding: 24px 32px;
    margin: 0;
    background: var(--color-primary-gradient);
    letter-spacing: 0;
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px;
}

/* ==================== CONTAINER (Material Card) ==================== */
.container {
    max-width: 800px;
    margin: 24px auto;
    background: var(--color-surface);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-level-2);
    overflow: hidden;
}

/* ==================== SURFACE CONTAINER ==================== */
.surface-container {
    background: var(--color-surface-container-low);
    border-radius: var(--radius-large);
    padding: 24px;
    margin-bottom: 16px;
}

/* ==================== SECTIONS ==================== */
section {
    padding: 24px;
}

section:not(:last-child) {
    border-bottom: 1px solid var(--color-outline-variant);
}

/* ==================== CARDS (Material Design 3) ==================== */
.md-card {
    background: var(--color-surface);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-level-1);
    transition: box-shadow var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-card--elevated {
    background: var(--color-surface-container-low);
    box-shadow: var(--shadow-level-2);
}

.md-card--filled {
    background: var(--color-surface-container-highest);
    box-shadow: none;
}

.md-card--outlined {
    background: var(--color-surface);
    box-shadow: none;
    border: 1px solid var(--color-outline-variant);
}

.md-card:hover {
    box-shadow: var(--shadow-level-2);
}

.md-card__content {
    padding: 16px;
}

/* ==================== BUTTONS (Material Design 3) ==================== */
.md-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 24px;
    height: 40px;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-family-base);
    font-size: var(--font-size-label-large);
    font-weight: 500;
    letter-spacing: 0.025em;
    text-transform: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        background-color var(--motion-duration-short-3) var(--motion-easing-standard),
        box-shadow var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-button--filled {
    background: var(--color-primary);
    color: var(--color-on-primary);
    box-shadow: none;
}

.md-button--filled:hover {
    box-shadow: var(--shadow-level-1);
}

.md-button--filled::before {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-button--filled:hover::before {
    opacity: var(--state-hover-opacity);
}

.md-button--filled:active::before {
    opacity: var(--state-pressed-opacity);
}

.md-button--outlined {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-outline);
    padding: 0 23px;
}

.md-button--outlined:hover {
    background: rgba(0, 72, 157, var(--state-hover-opacity));
}

.md-button--text {
    background: transparent;
    color: var(--color-primary);
    padding: 0 12px;
}

.md-button--text:hover {
    background: rgba(0, 72, 157, var(--state-hover-opacity));
}

.md-button--tonal {
    background: var(--color-secondary-container);
    color: var(--color-on-secondary-container);
}

.md-button--tonal:hover {
    box-shadow: var(--shadow-level-1);
}

.md-button--tonal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-button--tonal:hover::before {
    opacity: var(--state-hover-opacity);
}

/* Tertiary Button (Complementary Color) */
.md-button--tertiary {
    background: var(--color-tertiary);
    color: var(--color-on-tertiary);
}

.md-button--tertiary:hover {
    box-shadow: var(--shadow-level-1);
}

.md-button--tertiary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-button--tertiary:hover::before {
    opacity: var(--state-hover-opacity);
}

/* Tertiary Tonal Button */
.md-button--tertiary-tonal {
    background: var(--color-tertiary-container);
    color: var(--color-on-tertiary-container);
}

.md-button--tertiary-tonal:hover {
    box-shadow: var(--shadow-level-1);
}

.md-button--tertiary-tonal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-button--tertiary-tonal:hover::before {
    opacity: var(--state-hover-opacity);
}

/* ==================== TEXT FIELDS (Outlined Style) ==================== */
.md-text-field {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 100%;
    max-width: 280px;
}

.md-text-field__input {
    width: 100%;
    height: 56px;
    padding: 12px 16px;
    border: 1px solid var(--color-outline);
    border-radius: var(--radius-small);
    background: transparent;
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    font-size: var(--font-size-body-large);
    line-height: 1.5;
    transition: border-color var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-text-field__input:hover {
    border-color: var(--color-text-secondary);
}

.md-text-field__input:focus {
    outline: none;
    border: 2px solid var(--color-primary);
    padding: 11px 15px;
}

.md-text-field__label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-size: var(--font-size-body-large);
    pointer-events: none;
    transition: all var(--motion-duration-short-3) var(--motion-easing-standard);
    background: var(--color-surface);
    padding: 0 4px;
}

.md-text-field__input:focus+.md-text-field__label,
.md-text-field__input:not(:placeholder-shown)+.md-text-field__label {
    top: 0;
    transform: translateY(-50%) scale(0.85);
    color: var(--color-primary);
    font-size: var(--font-size-body-small);
}

/* ==================== LIST TILES ==================== */
.md-list {
    display: flex;
    flex-direction: column;
}

.md-list-tile {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-small);
    cursor: pointer;
    transition: background-color var(--motion-duration-short-3) var(--motion-easing-standard);
}

.md-list-tile:hover {
    background: rgba(0, 72, 157, var(--state-hover-opacity));
}

.md-list-tile__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.md-list-tile__title {
    font-size: var(--font-size-body-large);
    color: var(--color-text-primary);
    font-weight: 400;
}

.md-list-tile__subtitle {
    font-size: var(--font-size-body-medium);
    color: var(--color-text-secondary);
}

/* ==================== LABELS (Material style) ==================== */
.label {
    font-size: var(--font-size-label-medium);
    color: var(--color-text-secondary);
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 0.025em;
}

/* ==================== PRIMARY VALUE ==================== */
.primary-value {
    font-size: var(--font-size-display-small);
    color: var(--color-primary);
    text-align: center;
    margin: 16px 0;
    font-weight: 400;
    letter-spacing: -0.25px;
}

/* ==================== STATS GRID ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== STAT BOX (Material Card Style) ==================== */
.stat-box {
    background: var(--color-surface-container-low);
    padding: 16px;
    border-radius: var(--radius-medium);
    transition:
        background-color var(--motion-duration-short-3) var(--motion-easing-standard),
        box-shadow var(--motion-duration-short-3) var(--motion-easing-standard);
}

.stat-box:hover {
    background: var(--color-surface-container);
    box-shadow: var(--shadow-level-1);
}

/* ==================== VALUE DISPLAY ==================== */
.val {
    font-size: var(--font-size-title-large);
    color: var(--color-text-primary);
    font-weight: 400;
    letter-spacing: 0.015em;
}

.val.secondary {
    font-size: var(--font-size-body-large);
    color: var(--color-text-secondary);
    font-weight: 400;
    margin-top: 4px;
}

/* ==================== PROGRESS BAR ==================== */
.progress-group {
    margin-bottom: 24px;
}

.progress-group:last-child {
    margin-bottom: 0;
}

.bar-bg {
    background: var(--color-surface-container-highest);
    height: 4px;
    width: 100%;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--motion-duration-medium-4) var(--motion-easing-decelerate);
}

.bar-fill.secondary {
    background: var(--color-tertiary);
}

.bar-info {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-body-medium);
    color: var(--color-text-secondary);
    margin-top: 8px;
    font-weight: 400;
}

/* ==================== DIVIDERS ==================== */
.md-divider {
    height: 1px;
    background: var(--color-outline-variant);
    margin: 16px 0;
}

/* ==================== LEGACY STYLES (for compatibility) ==================== */
.eho-section {
    background: var(--color-primary-gradient);
}

.eho-box {
    background: var(--color-surface);
    padding: 24px;
    border-radius: var(--radius-large);
    text-shadow: none;
    box-shadow: var(--shadow-level-2);
}

.eho-box .label {
    color: var(--color-primary);
}

.eho-val {
    font-size: var(--font-size-headline-small);
    color: var(--color-primary);
    display: block;
    font-weight: 400;
    margin: 8px 0;
}

.eho-deg {
    font-size: var(--font-size-body-large);
    color: var(--color-text-secondary);
}

.disclaimer {
    padding: 24px;
    font-size: var(--font-size-body-small);
    color: var(--color-text-secondary);
    text-align: center;
    background: var(--color-surface-container-low);
    border-top: 1px solid var(--color-outline-variant);
}

/* ==================== UTILITY CLASSES ==================== */
.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-16 {
    margin-top: 16px;
}

.mt-24 {
    margin-top: 24px;
}

/* Ripple effect container */
.ripple {
    position: relative;
    overflow: hidden;
}

/* Focus rings - tertiary variant */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.focus-tertiary:focus-visible {
    outline-color: var(--color-tertiary);
}

/* ==================== TERTIARY UTILITY CLASSES ==================== */
.text-tertiary {
    color: var(--color-tertiary);
}

.bg-tertiary {
    background-color: var(--color-tertiary-container);
}

.border-tertiary {
    border-color: var(--color-tertiary);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}