/* ============================================================
   LuxWatch - Shared Client Stylesheet
   ============================================================ */

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

/* ===== CSS Custom Properties ===== */
:root {
    --accent: #C49A4A;
    --accent-light: #E0C88E;
    --accent-dark: #8B6B30;
    --bg-cream: #F9F5F0;
    --bg-surface: #F2ECE5;
    --bg-card: #FFFFFF;
    --text-primary: #2C2416;
    --text-secondary: #7A7265;
    --text-muted: #B0A99C;
    --border-subtle: rgba(44, 36, 22, 0.08);
    --border-active: rgba(196, 154, 74, 0.35);
    --shadow-sm: 0 1px 3px rgba(44, 36, 22, 0.04);
    --shadow-md: 0 8px 30px rgba(44, 36, 22, 0.07);
    --shadow-lg: 0 20px 50px rgba(44, 36, 22, 0.10);
    --font-display: "Playfair Display", "Cormorant Garamond", serif;
    --font-body: "Inter", sans-serif;
    --transition-smooth: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-fast: 0.2s ease;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
}

/* ===== Base Styles ===== */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-cream);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-dark);
}

/* ===== Auth Page Layout ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-cream);
    padding: 40px 20px;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    max-width: 440px;
    width: 90%;
    padding: 48px 40px;
}

/* ===== Auth Brand / Logo ===== */
.auth-brand {
    text-align: center;
    margin-bottom: 36px;
}

.auth-brand-icon {
    font-size: 40px;
    color: var(--accent);
    display: block;
    margin-bottom: 8px;
}

.auth-brand-name {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.06em;
    margin-bottom: 2px;
}

.auth-brand-subtitle {
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 400;
}

/* ===== Tabs ===== */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 32px;
    gap: 0;
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 12px 8px;
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    letter-spacing: 0.03em;
}

.tab-btn:hover {
    color: var(--text-secondary);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.form-label-required::after {
    content: " *";
    color: #d9534f;
    font-weight: 400;
}

.form-control {
    display: block;
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    line-height: 1.5;
}

.form-control:focus {
    border-color: var(--border-active);
    box-shadow: 0 0 0 3px rgba(196, 154, 74, 0.08);
}

.form-control::placeholder {
    color: var(--text-muted);
    font-weight: 300;
}

.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper > .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
    pointer-events: none;
    z-index: 1;
    transition: color var(--transition-fast);
}

.input-icon-wrapper:focus-within > .input-icon {
    color: var(--accent);
}

.form-error {
    display: none;
    font-family: var(--font-body);
    font-size: 0.76rem;
    color: #d9534f;
    margin-top: 4px;
    letter-spacing: 0.02em;
}

.form-error.visible {
    display: block;
}

.form-hint {
    font-family: var(--font-body);
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: 4px;
    letter-spacing: 0.02em;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-smooth);
    border: 1px solid transparent;
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
    user-select: none;
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: var(--accent);
    color: #FFFFFF;
    border-color: var(--accent);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(196, 154, 74, 0.2);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: none;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-active);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--accent);
    background: rgba(196, 154, 74, 0.04);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    padding: 8px 16px;
    text-transform: none;
    letter-spacing: 0.03em;
    font-weight: 400;
}

.btn-ghost:hover:not(:disabled) {
    color: var(--accent);
    background: rgba(196, 154, 74, 0.04);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.78rem;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 0.92rem;
}

/* ===== Form footer links ===== */
.form-footer {
    text-align: center;
    margin-top: 20px;
}

.form-footer a {
    font-family: var(--font-body);
    font-size: 0.84rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    letter-spacing: 0.03em;
}

.form-footer a:hover {
    color: var(--accent);
}

/* ===== Toast Notifications ===== */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 320px;
    max-width: 440px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-left: 4px solid var(--accent);
    font-family: var(--font-body);
}

.toast.visible {
    opacity: 1;
    transform: translateX(0);
}

.toast.toast-success {
    border-left-color: #4CAF50;
}

.toast.toast-success .toast-icon {
    color: #4CAF50;
}

.toast.toast-error {
    border-left-color: #d9534f;
}

.toast.toast-error .toast-icon {
    color: #d9534f;
}

.toast.toast-info {
    border-left-color: #5bc0de;
}

.toast.toast-info .toast-icon {
    color: #5bc0de;
}

.toast-icon {
    flex-shrink: 0;
    font-size: 1.1rem;
}

.toast-message {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
    font-weight: 400;
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 4px;
    transition: color var(--transition-fast);
    line-height: 1;
}

.toast-close:hover {
    color: var(--text-primary);
}

/* ===== Responsive ===== */
@media (max-width: 576px) {
    .auth-card {
        padding: 36px 24px;
    }

    .auth-brand-name {
        font-size: 24px;
    }

    .auth-brand-icon {
        font-size: 34px;
    }

    .toast {
        min-width: auto;
        max-width: calc(100vw - 48px);
        right: 12px;
        left: 12px;
    }

    #toast-container {
        top: 12px;
        right: 12px;
        left: 12px;
        align-items: stretch;
    }
}