/**
 * Estilos - Assistente Virtual de Saúde
 * Design Minimalista - Preto e Branco
 */

:root {
    --color-black: #111;
    --color-dark: #333;
    --color-gray: #666;
    --color-light-gray: #999;
    --color-border: #e0e0e0;
    --color-bg: #fafafa;
    --color-white: #fff;
}

/* ===== Reset & Base ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-dark);
    background-color: var(--color-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ===== Navbar ===== */
.navbar {
    background-color: var(--color-white) !important;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--color-black) !important;
    font-weight: 500;
    font-size: 1.1rem;
}

.navbar-brand:hover {
    color: var(--color-dark) !important;
}

/* ===== Hero Section ===== */
.hero-section {
    min-height: calc(100vh - 180px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.hero-icon {
    font-size: 4rem;
    color: var(--color-black);
    opacity: 0.8;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-black);
    font-weight: 500;
}

.text-muted {
    color: var(--color-gray) !important;
}

.lead {
    color: var(--color-gray);
    font-weight: 400;
}

/* ===== Buttons ===== */
.btn {
    border-radius: 4px;
    font-weight: 500;
    padding: 0.6rem 1.5rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
}

.btn-success {
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.btn-success:hover {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
}

.btn-danger {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
}

.btn-danger:hover {
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.btn-outline-primary {
    color: var(--color-black);
    border-color: var(--color-border);
}

.btn-outline-primary:hover {
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.btn-outline-secondary {
    color: var(--color-gray);
    border-color: var(--color-border);
}

.btn-outline-secondary:hover {
    background-color: var(--color-bg);
    border-color: var(--color-border);
    color: var(--color-black);
}

.btn-link {
    color: var(--color-gray);
    text-decoration: none;
}

.btn-link:hover {
    color: var(--color-black);
}

.btn-lg {
    padding: 0.8rem 2rem;
}

.btn-record {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ===== Cards ===== */
.card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: none;
}

.card-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.shadow-sm {
    box-shadow: 0 1px 3px rgba(0,0,0,0.08) !important;
}

/* ===== Feature Icons (Index) ===== */
.feature-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background-color: var(--color-black) !important;
    color: var(--color-white) !important;
    border-radius: 8px;
}

/* ===== Recording ===== */
.recording-area {
    padding: 2rem;
}

/* ===== Audio Visualizer ===== */
.visualizer-container {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audio-visualizer {
    width: 100%;
    height: 100%;
    max-width: 400px;
}

.timer-display {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-black);
    letter-spacing: 0.05em;
}

/* ===== Audio Preview ===== */
audio {
    width: 100%;
    height: 40px;
}

audio::-webkit-media-controls-panel {
    background-color: var(--color-bg);
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-content p {
    color: var(--color-gray);
    font-size: 1rem;
}

.spinner-border {
    color: var(--color-black) !important;
}

/* ===== Badges ===== */
.badge {
    font-weight: 500;
    padding: 0.4em 0.8em;
}

.bg-success {
    background-color: var(--color-black) !important;
}

.bg-info {
    background-color: var(--color-gray) !important;
}

.bg-primary {
    background-color: var(--color-dark) !important;
}

/* ===== Alerts ===== */
.alert {
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.alert-info {
    background-color: var(--color-bg);
    color: var(--color-dark);
    border-color: var(--color-border);
}

.alert-success {
    background-color: var(--color-bg);
    color: var(--color-dark);
    border-color: var(--color-border);
}

.alert-danger {
    background-color: #fff5f5;
    color: var(--color-dark);
    border-color: #ffcdd2;
}

.alert-warning {
    background-color: #fffde7;
    color: var(--color-dark);
    border-color: #fff9c4;
}

/* ===== Form Controls ===== */
.form-check-input:checked {
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.form-switch .form-check-input {
    border-color: var(--color-border);
}

/* ===== Accordion ===== */
.accordion-button {
    background-color: var(--color-bg);
    color: var(--color-dark);
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: var(--color-bg);
    color: var(--color-black);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--color-border);
}

/* ===== Report Content ===== */
.report-content {
    line-height: 1.7;
    color: var(--color-dark);
}

.report-content h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-black);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.report-content h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-black);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    padding-left: 0.75rem;
    border-left: 2px solid var(--color-black);
}

.report-content h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-top: 1rem;
}

.report-content ul, .report-content ol {
    padding-left: 1.5rem;
}

.report-content li {
    margin-bottom: 0.25rem;
}

.report-content hr {
    border-color: var(--color-border);
    margin: 2rem 0;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-white) !important;
    border-top: 1px solid var(--color-border);
}

/* ===== Print ===== */
@media print {
    .navbar, .footer, .btn-group, .accordion,
    .d-flex.justify-content-center, #printBtn, #copyBtn {
        display: none !important;
    }

    body {
        background: white !important;
    }

    .card {
        border: none !important;
    }

    .card-header {
        display: none !important;
    }

    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-icon {
        font-size: 3rem;
    }

    .timer-display {
        font-size: 2rem;
    }

    .recording-icon {
        font-size: 2.5rem;
    }

    .pulse-ring {
        width: 60px;
        height: 60px;
    }

    .btn-lg {
        padding: 0.7rem 1.5rem;
        font-size: 1rem;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    .pulse-ring, .recording-icon {
        animation: none;
    }
}