/* ==========================================================
   global.css — Design System do SuaReserva (SPA)
   ========================================================== */

/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS Variables (Design Tokens) ===== */
:root {
    /* Cores Primárias */
    --sr-primary: #2563eb;
    --sr-primary-hover: #1d4ed8;
    --sr-primary-light: #dbeafe;
    --sr-primary-dark: #1e40af;

    /* Cores Secundárias */
    --sr-secondary: #64748b;
    --sr-secondary-hover: #475569;

    /* Cores de Estado */
    --sr-success: #059669;
    --sr-success-light: #d1fae5;
    --sr-danger: #dc2626;
    --sr-danger-light: #fee2e2;
    --sr-warning: #d97706;
    --sr-warning-light: #fef3c7;
    --sr-info: #0891b2;
    --sr-info-light: #cffafe;

    /* Neutros */
    --sr-bg: #f1f5f9;
    --sr-surface: #ffffff;
    --sr-border: #e2e8f0;
    --sr-border-focus: #93c5fd;
    --sr-text: #0f172a;
    --sr-text-secondary: #475569;
    --sr-text-muted: #94a3b8;

    /* Tipografia */
    --sr-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --sr-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Espaçamento */
    --sr-radius-sm: 6px;
    --sr-radius: 10px;
    --sr-radius-lg: 14px;
    --sr-radius-xl: 20px;
    --sr-radius-pill: 50px;

    /* Sombras */
    --sr-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --sr-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --sr-shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --sr-shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);

    /* Transições */
    --sr-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --sr-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--sr-font);
    font-size: 0.95rem;
    color: var(--sr-text);
    background-color: var(--sr-bg);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--sr-primary);
    text-decoration: none;
    transition: color var(--sr-transition);
}

a:hover {
    color: var(--sr-primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Scrollbar Custom ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ===== Selection ===== */
::selection {
    background: var(--sr-primary-light);
    color: var(--sr-primary-dark);
}

/* ===== Toast Notifications ===== */
.sr-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border-radius: var(--sr-radius);
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 99999;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--sr-shadow-lg);
    max-width: 400px;
}

.sr-toast.show {
    transform: translateX(0);
}

.sr-toast-success {
    background: var(--sr-success);
    color: #fff;
}

.sr-toast-error {
    background: var(--sr-danger);
    color: #fff;
}

.sr-toast-info {
    background: var(--sr-primary);
    color: #fff;
}

/* ===== Loading Spinner ===== */
.sr-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: sr-spin 0.6s linear infinite;
}

.sr-spinner-dark {
    border-color: rgba(0, 0, 0, 0.1);
    border-top-color: var(--sr-primary);
}

.sr-spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3.5px;
}

@keyframes sr-spin {
    to { transform: rotate(360deg); }
}

/* ===== Full Page Loader ===== */
.sr-page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--sr-bg);
    z-index: 99998;
    gap: 16px;
}

.sr-page-loader .sr-spinner-lg {
    border-color: rgba(37, 99, 235, 0.15);
    border-top-color: var(--sr-primary);
}

.sr-page-loader p {
    color: var(--sr-text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

/* ===== Buttons (premium overrides sobre Bootstrap) ===== */
.btn-sr-primary {
    background: linear-gradient(135deg, var(--sr-primary), var(--sr-primary-dark));
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: var(--sr-radius);
    font-weight: 600;
    font-family: var(--sr-font);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--sr-transition);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn-sr-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    background: linear-gradient(135deg, var(--sr-primary-hover), var(--sr-primary-dark));
    color: #fff;
}

.btn-sr-primary:active {
    transform: translateY(0);
}

.btn-sr-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-sr-outline {
    background: transparent;
    color: var(--sr-primary);
    border: 2px solid var(--sr-primary);
    padding: 10px 24px;
    border-radius: var(--sr-radius);
    font-weight: 600;
    font-family: var(--sr-font);
    cursor: pointer;
    transition: all var(--sr-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-sr-outline:hover {
    background: var(--sr-primary);
    color: #fff;
    transform: translateY(-1px);
}

/* ===== Cards ===== */
.sr-card {
    background: var(--sr-surface);
    border: 1px solid var(--sr-border);
    border-radius: var(--sr-radius-lg);
    box-shadow: var(--sr-shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--sr-transition);
}

.sr-card:hover {
    box-shadow: var(--sr-shadow);
}

.sr-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--sr-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sr-card-body {
    padding: 24px;
}

/* ===== Form Controls ===== */
.sr-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--sr-border);
    border-radius: var(--sr-radius);
    font-family: var(--sr-font);
    font-size: 0.95rem;
    color: var(--sr-text);
    background: var(--sr-surface);
    transition: all var(--sr-transition);
    outline: none;
}

.sr-input:focus {
    border-color: var(--sr-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.sr-input::placeholder {
    color: var(--sr-text-muted);
}

.sr-label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--sr-text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}

/* ===== Badges ===== */
.sr-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: var(--sr-radius-pill);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sr-badge-success {
    background: var(--sr-success-light);
    color: var(--sr-success);
}

.sr-badge-danger {
    background: var(--sr-danger-light);
    color: var(--sr-danger);
}

.sr-badge-warning {
    background: var(--sr-warning-light);
    color: var(--sr-warning);
}

.sr-badge-info {
    background: var(--sr-info-light);
    color: var(--sr-info);
}

/* ===== Divider ===== */
.sr-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--sr-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    margin: 24px 0;
}

.sr-divider::before,
.sr-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sr-border);
}

/* ===== Fade-in animation ===== */
.sr-fade-in {
    animation: srFadeIn 0.5s ease-out;
}

@keyframes srFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Modals ===== */
.sr-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(4px);
}

.sr-modal.show {
    opacity: 1;
    visibility: visible;
}

.sr-modal-content {
    background: var(--sr-surface);
    width: 90%;
    max-width: 500px;
    border-radius: var(--sr-radius-lg);
    box-shadow: var(--sr-shadow-xl);
    transform: scale(0.95) translateY(10px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.sr-modal.show .sr-modal-content {
    transform: scale(1) translateY(0);
}

.sr-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--sr-border);
}

.sr-modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--sr-text);
}

.sr-modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--sr-text-muted);
    cursor: pointer;
    transition: color var(--sr-transition);
}

.sr-modal-close:hover {
    color: var(--sr-danger);
}

.sr-modal-body {
    padding: 24px;
    overflow-y: auto;
}

/* ===== Responsive ===== */
@media (max-width: 576px) {
    .sr-toast {
        left: 12px;
        right: 12px;
        max-width: none;
    }
}