:root {
    /* PulsePoll brand */
    --pp-dark: #1A1535;
    --pp-accent: #7C5CFC;
    --pp-accent-dark: #5B3FD9;
    --pp-accent-rgb: 124, 92, 252;
    --pp-surface: #F7F5FF;
    --pp-surface-soft: #FFFFFF;

    --bs-primary: var(--pp-accent);
    --bs-primary-rgb: var(--pp-accent-rgb);
    --bs-link-color: var(--pp-accent-dark);
    --bs-link-hover-color: #4d35be;

    /* ── Design System Tokens ── */
    --popup-sm: min(480px, calc(100vw - 1rem));
    --popup-md: min(640px, calc(100vw - 1rem));
    --popup-lg: min(900px, calc(100vw - 1rem));
    --popup-xl: min(1120px, calc(100vw - 1rem));
    --popup-max-height: 90vh;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-8: 3rem;

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;

    --shadow-sm: 0 1px 2px rgba(26, 21, 53, 0.05);
    --shadow-md: 0 4px 8px rgba(26, 21, 53, 0.08);
    --shadow-lg: 0 12px 24px rgba(26, 21, 53, 0.12);

    --color-brand: var(--pp-accent);
    --color-brand-dark: var(--pp-accent-dark);
    --color-brand-soft: rgba(var(--pp-accent-rgb), 0.12);
    --color-brand-softer: rgba(var(--pp-accent-rgb), 0.06);

    --color-success: #198754;
    --color-success-soft: rgba(25, 135, 84, 0.10);
    --color-warning: #ffc107;
    --color-warning-soft: rgba(255, 193, 7, 0.12);
    --color-danger: #dc3545;
    --color-danger-soft: rgba(220, 53, 69, 0.10);
    --color-info: #0dcaf0;
    --color-muted: #6b6589;
    --color-surface: var(--pp-surface-soft);
    --color-surface-muted: var(--pp-surface);
    --color-border: #e5e1f3;
    --color-text: var(--pp-dark);

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-popup: 1050;
    --z-toast: 1100;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background: var(--color-surface);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid var(--color-danger);
}

.validation-message {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
}

.button-link {
    text-decoration: unset;
}

/* ========== Login info banner (Login + ForgotPassword paylaşır) ========== */
.login-info {
    background: #eef5ff;
    border: 1px solid #c8dcff;
    color: #1c4587;
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    margin-bottom: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

/* ========== Shimmer Skeleton ========== */
.skeleton {
    background: #e0e0e0;
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%
    );
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skeleton-text { height: 14px; margin-bottom: 8px; width: 100%; }
.skeleton-text.short { width: 40%; }
.skeleton-text.medium { width: 70%; }
.skeleton-title { height: 20px; width: 50%; margin-bottom: 12px; }
.skeleton-button { height: 36px; width: 100px; border-radius: var(--radius-sm); }
.skeleton-input { height: 36px; width: 100%; border-radius: var(--radius-sm); margin-bottom: 16px; }
.skeleton-card { padding: 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 12px; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }

/* ========== PageHeader ========== */
.page-header {
    margin-bottom: var(--space-5);
    padding: var(--space-4) 0 var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.page-breadcrumb {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin-bottom: var(--space-2);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    align-items: center;
}

.page-breadcrumb a {
    color: var(--color-muted);
    text-decoration: none;
}

.page-breadcrumb a:hover {
    color: var(--color-brand);
    text-decoration: underline;
}

.page-breadcrumb .breadcrumb-separator {
    color: var(--color-border);
    margin: 0 var(--space-1);
}

.page-breadcrumb .breadcrumb-current {
    color: var(--color-text);
    font-weight: 600;
}

.page-header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.page-header-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0;
}

.page-header-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-muted);
    margin: var(--space-1) 0 0;
}

.page-header-actions {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 575.98px) {
    .page-header-title { font-size: var(--font-size-xl); }
    .page-header-subtitle { font-size: var(--font-size-sm); }
    .page-breadcrumb { font-size: var(--font-size-xs); }
    .page-header-actions { flex: 1 1 auto; }
}

/* ========== EmptyState ========== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--color-muted);
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--color-border);
    margin-bottom: var(--space-3);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--space-2);
}

.empty-state-description {
    font-size: var(--font-size-sm);
    color: var(--color-muted);
    margin: 0 0 var(--space-4);
    max-width: 480px;
}

.empty-state-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
}

/* ========== ConfirmDialog ========== */
.confirm-dialog-body {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-2) 0;
}

.confirm-dialog-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
    line-height: 1;
}

.confirm-dialog-icon-brand { color: var(--color-brand); }
.confirm-dialog-icon-danger { color: var(--color-danger); }
.confirm-dialog-icon-warning { color: var(--color-warning); }