/* ═══════════════════════════════════════════════════════════════════════════
   PulseML — Design System
   Premium medical-grade dark UI inspired by Apple Health / Google Fit
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset & Base ───────────────────────────────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Surface palette */
    --bg:            #0a0a0a;
    --surface-1:     #141414;
    --surface-2:     #1c1c1e;
    --surface-3:     #2c2c2e;
    --border:        rgba(255, 255, 255, 0.06);
    --border-focus:  rgba(255, 255, 255, 0.15);

    /* Text palette */
    --text-primary:   #f5f5f7;
    --text-secondary: #868689;
    --text-tertiary:  #56565a;

    /* Semantic colors */
    --accent:   #0a84ff;
    --green:    #30d158;
    --yellow:   #ffd60a;
    --orange:   #ff9f0a;
    --red:      #ff453a;
    --grey:     #636366;

    /* Sizing */
    --radius-sm:  8px;
    --radius-md:  14px;
    --radius-lg:  20px;
    --radius-xl:  28px;

    /* Motion */
    --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
#app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.brand-icon {
    color: var(--red);
    display: flex;
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.15); }
}

.brand-name {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.brand-accent {
    color: var(--text-secondary);
    font-weight: 400;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    transition: background 0.2s, color 0.2s;
}

.header-status:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--dot-color, var(--red));
    box-shadow: 0 0 6px var(--dot-glow, rgba(255, 69, 58, 0.6));
    animation: blink-dot 2.5s ease-in-out infinite;
    transition: background 0.6s ease, box-shadow 0.6s ease;
}

@keyframes blink-dot {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.35; }
}

/* ── Main ───────────────────────────────────────────────────────────────── */
#app-main {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 24px 80px;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

/* ── Section Label ──────────────────────────────────────────────────────── */
.section-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: 8px;
}

/* ── Input Section ──────────────────────────────────────────────────────── */
.input-section h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-top: 6px;
    margin-bottom: 32px;
}

.input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.input-card {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.input-card:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.03);
}

.input-card label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.bpm-icon {
    background: rgba(255, 69, 58, 0.12);
    color: var(--red);
}

.spo2-icon {
    background: rgba(10, 132, 255, 0.12);
    color: var(--accent);
}

.input-wrapper {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.input-wrapper input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    caret-color: var(--accent);
}

.input-wrapper input::placeholder {
    color: var(--text-tertiary);
}

/* Remove spinner arrows from number inputs */
.input-wrapper input::-webkit-outer-spin-button,
.input-wrapper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.input-wrapper input[type="number"] {
    -moz-appearance: textfield;
}

.input-unit {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.input-hint {
    display: block;
    margin-top: 12px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ── Predict Button ─────────────────────────────────────────────────────── */
.predict-btn {
    width: 100%;
    padding: 16px 24px;
    background: var(--text-primary);
    color: var(--bg);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.15s var(--ease-out), opacity 0.15s;
    position: relative;
}

.predict-btn:hover {
    opacity: 0.88;
}

.predict-btn:active {
    transform: scale(0.985);
}

.predict-btn .btn-loader {
    display: none;
}

.predict-btn.loading .btn-text {
    opacity: 0;
}

.predict-btn.loading .btn-loader {
    display: flex;
    position: absolute;
}

/* ── Result Section ─────────────────────────────────────────────────────── */
.result-section {
    animation: slide-up 0.5s var(--ease-out) both;
}

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

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Signal Warning ─────────────────────────────────────────────────────── */
.signal-warning {
    background: var(--surface-1);
    border: 1px solid rgba(255, 214, 10, 0.2);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.signal-warning.hidden {
    display: none;
}

.warning-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 214, 10, 0.1);
    color: var(--yellow);
    margin-bottom: 16px;
}

.signal-warning h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.signal-warning p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ── Result Content ─────────────────────────────────────────────────────── */
.result-content.hidden {
    display: none;
}

.result-top-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

/* Risk Card */
.risk-card {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.risk-label-title {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.risk-badge {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    transition: color 0.4s var(--ease-out);
}

/* Confidence Card */
.confidence-card {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.confidence-title {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
    align-self: flex-start;
}

.confidence-ring-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
}

.confidence-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--surface-3);
    stroke-width: 7;
}

.ring-fill {
    fill: none;
    stroke: var(--accent);
    stroke-width: 7;
    stroke-linecap: round;
    stroke-dasharray: 326.73;
    stroke-dashoffset: 326.73;
    transition: stroke-dashoffset 1s var(--ease-out), stroke 0.4s;
}

.confidence-value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

/* Vitals Summary */
.vitals-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.vital-chip {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vital-chip-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.vital-chip-value {
    font-size: 1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

/* Advice Box */
.advice-box {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.advice-icon {
    flex-shrink: 0;
    color: var(--text-tertiary);
    margin-top: 1px;
}

.advice-box p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── History Section ────────────────────────────────────────────────────── */
.history-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 20px;
}

.history-title {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-top: 2px;
}

.clear-history-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.2s, border-color 0.2s;
}

.clear-history-btn:hover {
    color: var(--red);
    border-color: rgba(255, 69, 58, 0.3);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-empty p {
    color: var(--text-tertiary);
    font-size: 0.8125rem;
    text-align: center;
    padding: 40px 0;
}

/* History Item */
.history-item {
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
    animation: fade-in 0.3s var(--ease-out);
    transition: border-color 0.2s;
}

.history-item:hover {
    border-color: var(--border-focus);
}

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

.history-risk-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.history-details {
    min-width: 0;
}

.history-risk-label {
    font-size: 0.875rem;
    font-weight: 600;
}

.history-vitals {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.history-meta {
    text-align: right;
}

.history-confidence {
    font-size: 0.8125rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.history-time {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
#app-footer {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px;
    text-align: center;
}

#app-footer p {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    letter-spacing: 0.02em;
}

.footer-credit {
    margin-top: 6px;
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    opacity: 0.7;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 560px) {
    .input-grid,
    .result-top-row,
    .vitals-summary {
        grid-template-columns: 1fr;
    }

    .input-section h1 {
        font-size: 1.375rem;
    }

    .header-inner {
        padding: 14px 16px;
    }

    #app-main {
        padding: 28px 16px 64px;
        gap: 36px;
    }

    .input-card {
        padding: 16px;
    }

    .input-wrapper input {
        font-size: 1.5rem;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Hospital Finder Modal
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Overlay ────────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px;
    animation: modal-fade-in 0.3s var(--ease-out);
}

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

@keyframes modal-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── Card ───────────────────────────────────────────────────────────────── */
.modal-card {
    position: relative;
    background: var(--surface-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    max-width: 480px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    animation: modal-card-in 0.35s var(--ease-spring);
}

@keyframes modal-card-in {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(16px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Scrollbar styling */
.modal-card::-webkit-scrollbar {
    width: 4px;
}
.modal-card::-webkit-scrollbar-track {
    background: transparent;
}
.modal-card::-webkit-scrollbar-thumb {
    background: var(--surface-3);
    border-radius: 2px;
}

/* ── Close Button ───────────────────────────────────────────────────────── */
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
    border-color: var(--border-focus);
}

/* ── State containers ───────────────────────────────────────────────────── */
.modal-state {
    text-align: center;
}

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

.modal-state h2 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.modal-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.modal-results-subtitle {
    margin-bottom: 16px;
}

/* ── Modal Icons ────────────────────────────────────────────────────────── */
.modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    margin-bottom: 16px;
}

.modal-icon-emergency {
    background: rgba(255, 69, 58, 0.1);
    color: var(--red);
}

.modal-icon-location {
    background: rgba(10, 132, 255, 0.1);
    color: var(--accent);
}

.modal-spinner {
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

/* ── Modal Buttons ──────────────────────────────────────────────────────── */
.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.12s var(--ease-out), opacity 0.15s;
    text-decoration: none;
}

.modal-btn:hover {
    opacity: 0.88;
}

.modal-btn:active {
    transform: scale(0.98);
}

.modal-btn-primary {
    background: var(--text-primary);
    color: var(--bg);
}

.modal-btn-secondary {
    background: var(--surface-2);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.modal-btn-danger {
    background: var(--red);
    color: #fff;
}

.modal-btn-full {
    width: 100%;
    margin-top: 8px;
}

/* ── Manual Location Input ──────────────────────────────────────────────── */
.manual-input-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.manual-input {
    flex: 1;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.25s;
}

.manual-input::placeholder {
    color: var(--text-tertiary);
}

.manual-input:focus {
    border-color: var(--border-focus);
}

.modal-btn-search {
    flex-shrink: 0;
    padding: 12px 20px;
}

.modal-error {
    font-size: 0.8125rem;
    color: var(--red);
    text-align: left;
}

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

/* ── Hospital List ──────────────────────────────────────────────────────── */
.hospital-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
    text-align: left;
}

.hospital-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: border-color 0.2s;
}

.hospital-card:hover {
    border-color: var(--border-focus);
}

.hospital-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: var(--surface-3);
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hospital-name {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}

.hospital-distance {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.hospital-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.hospital-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    border: none;
    cursor: pointer;
}

.hospital-action-maps {
    background: rgba(10, 132, 255, 0.1);
    color: var(--accent);
}

.hospital-action-maps:hover {
    background: rgba(10, 132, 255, 0.2);
}

.hospital-action-call {
    background: rgba(48, 209, 88, 0.1);
    color: var(--green);
}

.hospital-action-call:hover {
    background: rgba(48, 209, 88, 0.2);
}

/* ── Emergency Bar ──────────────────────────────────────────────────────── */
.emergency-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 69, 58, 0.06);
    border: 1px solid rgba(255, 69, 58, 0.15);
    border-radius: var(--radius-md);
    padding: 14px 16px;
}

.emergency-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.emergency-label {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.emergency-number {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--red);
}

.emergency-bar .modal-btn-danger {
    padding: 10px 18px;
    font-size: 0.8125rem;
}

/* ── Modal Responsive ───────────────────────────────────────────────────── */
@media (max-width: 560px) {
    .modal-card {
        padding: 28px 20px;
        border-radius: var(--radius-lg);
    }

    .modal-state h2 {
        font-size: 1.125rem;
    }

    .manual-input-row {
        flex-direction: column;
    }

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

    .emergency-bar {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Analysis Loading Overlay
   ═══════════════════════════════════════════════════════════════════════════ */

.analysis-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, 0.72);
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
    animation: overlay-in 0.3s var(--ease-out) both;
}

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

@keyframes overlay-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.analysis-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    background: var(--surface-1);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 44px 48px 40px;
    min-width: 280px;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
    animation: box-in 0.4s var(--ease-spring) both;
}

@keyframes box-in {
    from { opacity: 0; transform: scale(0.88) translateY(20px); }
    to   { opacity: 1; transform: scale(1)    translateY(0); }
}

.analysis-spinner-wrap {
    position: relative;
    width: 96px;
    height: 96px;
}

.analysis-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.analysis-ring-track {
    stroke: var(--surface-3);
    stroke-width: 6;
}

.analysis-ring-arc {
    stroke: var(--red);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 263.9;
    stroke-dashoffset: 198;
    filter: drop-shadow(0 0 6px rgba(255, 69, 58, 0.7));
    animation: spin-arc 1.1s linear infinite;
    transform-origin: center;
}

@keyframes spin-arc {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.analysis-heart-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--red);
    animation: heart-beat 1.1s ease-in-out infinite;
}

@keyframes heart-beat {
    0%, 100% { transform: scale(1);    opacity: 1; }
    45%       { transform: scale(1.18); opacity: 0.85; }
    60%       { transform: scale(0.96); opacity: 1; }
}

.analysis-label {
    font-size: 1.0625rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    transition: opacity 0.35s;
    text-align: center;
}

.analysis-sublabel {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: -12px;
    transition: opacity 0.35s;
    text-align: center;
}

.analysis-progress-track {
    width: 100%;
    height: 3px;
    background: var(--surface-3);
    border-radius: 99px;
    overflow: hidden;
    margin-top: 4px;
}

.analysis-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--red), #ff8566);
    border-radius: 99px;
    transition: width 0.15s linear;
    box-shadow: 0 0 8px rgba(255, 69, 58, 0.5);
}

/* ── Toast notification ────────────────────────────────────────────────────── */
.pulseml-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #fff;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
    pointer-events: none;
}
.pulseml-toast--show {
    opacity: 1;
    transform: translateY(0);
}
.pulseml-toast--success { background: #1a3a22; border: 1px solid rgba(48,209,88,0.3); color: #30d158; }
.pulseml-toast--error   { background: #3a1a1a; border: 1px solid rgba(255,69,58,0.3);  color: #ff453a; }