/* ============================================================================
   Admin Auth CSS — minimal styles for login/signup/verify-email pages.
   Standalone: includes :root tokens, reset, buttons, forms, alerts, login layout.
   ============================================================================ */

/* -- CSS Variables -------------------------------------------------------- */
:root {
    --sidebar-width: 250px;
    --sidebar-bg: #1e293b;
    --sidebar-text: #94a3b8;
    --sidebar-active: #e2e8f0;
    --sidebar-hover-bg: #334155;
    --sidebar-header-bg: #0f172a;
    --topbar-height: 56px;
    --topbar-bg: #ffffff;
    --topbar-border: #e2e8f0;
    --content-bg: #f1f5f9;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #16a34a;
    --success-hover: #15803d;
    --warning: #f59e0b;
    --info: #0891b2;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --border-radius: 6px;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    --transition: 150ms ease;
}

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

html {
    font-size: 14px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background: var(--content-bg);
    line-height: 1.5;
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

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


/* -- Buttons -------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    text-decoration: none;
    white-space: nowrap;
    font-family: var(--font-sans);
    line-height: 1.4;
}

.btn:hover {
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #ffffff;
}

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

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

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

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

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: #f1f5f9;
    border-color: var(--text-light);
    color: var(--text-dark);
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.78rem;
}

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

.btn-group {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

.inline-form {
    display: inline;
}

/* -- Forms ---------------------------------------------------------------- */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: #ffffff;
    color: var(--text-dark);
    font-family: var(--font-sans);
    transition: border-color var(--transition);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-input-sm {
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
}

.form-input-color {
    padding: 0.2rem;
    height: 2.5rem;
    cursor: pointer;
}

.form-help {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    display: block;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
}

.form-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.checkbox-list {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
}

.checkbox-list .form-checkbox {
    margin-bottom: 0.4rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-group-half {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 200px;
}

.form-group-third {
    flex: 1 1 calc(33.333% - 0.67rem);
    min-width: 150px;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
}

/* -- Alerts --------------------------------------------------------------- */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 0.85rem;
    border: 1px solid;
}

.alert-success {
    background: #dcfce7;
    border-color: #86efac;
    color: #166534;
}

.alert-danger {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
}

.alert-warning {
    background: #fef3c7;
    border-color: #fde68a;
    color: #92400e;
}

.alert-info {
    background: #cffafe;
    border-color: #67e8f9;
    color: #155e75;
}

/* -- Login page ----------------------------------------------------------- */
.login-page {
    background: var(--sidebar-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.login-box {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
    padding: 2.5rem 2rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.login-form .form-group {
    margin-bottom: 1.25rem;
}