:root {
    --color-primary: #0F2A4A;
    --color-primary-hover: #173A63;
    --color-action: #1E6FD9;
    --color-action-soft: #E8F1FC;
    --color-accent: #F5A524;
    --color-accent-hover: #D98C0A;
    --color-success: #16A34A;
    --color-success-soft: #DCFCE7;
    --color-danger: #DC2626;
    --color-danger-soft: #FEE2E2;
    --color-warning-soft: #FEF3C7;
    --color-neutral-soft: #F1F5F9;
    --color-page: #F5F7FA;
    --color-surface: #FFFFFF;
    --color-text: #1F2937;
    --color-muted: #475569;
    --color-border: #E2E8F0;
    --radius-control: 0.625rem;
    --radius-card: 0.875rem;
    --shadow-card: 0 1px 2px rgba(15, 42, 74, 0.05), 0 8px 24px rgba(15, 42, 74, 0.06);
    --focus-ring: 0 0 0 3px rgba(30, 111, 217, 0.22);
    --transition-fast: 160ms ease;
}

body.ts-app-shell {
    margin: 0;
    background: var(--color-page);
    color: var(--color-text);
    font-family: "Inter", sans-serif;
    -webkit-font-smoothing: antialiased;
}

.ts-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.ts-btn {
    display: inline-flex;
    min-height: 2.5rem;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.25;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.ts-btn:hover {
    transform: translateY(-1px);
}

.ts-btn:focus-visible,
.ts-form-control:focus-visible,
.ts-nav-link:focus-visible,
.ts-nav-notification:focus-visible,
.ts-nav-cta:focus-visible,
.ts-nav-register:focus-visible,
.ts-account-trigger:focus-visible,
.ts-account-menu-item:focus-visible,
.ts-mobile-menu-button:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.ts-btn:disabled,
.ts-btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}

/*
 * Button hierarchy
 * - ts-btn-primary (amber): the one main action of a page or form.
 * - ts-btn-action (blue) / ts-btn-secondary (outline): secondary actions and
 *   navigation such as "Görüntüle", "Mesaj Gönder".
 * - ts-btn-danger-outline: destructive actions in lists; the filled
 *   ts-btn-danger is kept for the final confirm step of a destructive form.
 * - Plain text links (text-ts-blue) for tertiary actions.
 */
.ts-btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
}

.ts-btn-primary:hover {
    background: var(--color-accent-hover);
}

.ts-btn-action {
    background: var(--color-action);
    color: var(--color-surface);
}

.ts-btn-action:hover {
    background: var(--color-primary-hover);
}

.ts-btn-secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-primary);
}

.ts-btn-secondary:hover {
    background: var(--color-neutral-soft);
    border-color: var(--color-muted);
}

.ts-btn-danger {
    background: var(--color-danger);
    color: var(--color-surface);
}

.ts-btn-danger:hover {
    background: var(--color-primary);
}

.ts-btn-danger-outline {
    background: var(--color-surface);
    border-color: #FCA5A5;
    color: #B91C1C;
}

.ts-btn-danger-outline:hover {
    background: var(--color-danger-soft);
    border-color: var(--color-danger);
}

.ts-btn-neutral {
    background: var(--color-neutral-soft);
    color: var(--color-text);
}

.ts-btn-neutral:hover {
    background: var(--color-border);
}

.ts-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.25;
}

.ts-badge-success {
    background: var(--color-success-soft);
    color: #166534;
}

.ts-badge-warning {
    background: var(--color-warning-soft);
    color: #92400E;
}

.ts-badge-danger {
    background: var(--color-danger-soft);
    color: #991B1B;
}

.ts-badge-info {
    background: var(--color-action-soft);
    color: #1D4ED8;
}

.ts-badge-neutral {
    background: var(--color-neutral-soft);
    color: #475569;
}

.ts-alert {
    padding: 0.875rem 1rem;
    border-left: 4px solid;
    border-radius: var(--radius-control);
    font-size: 0.875rem;
    line-height: 1.5;
}

.ts-alert-success {
    background: var(--color-success-soft);
    border-color: var(--color-success);
    color: #166534;
}

.ts-alert-warning {
    background: var(--color-warning-soft);
    border-color: var(--color-accent-hover);
    color: var(--color-primary);
}

.ts-alert-danger {
    background: var(--color-danger-soft);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.ts-alert-info {
    background: var(--color-action-soft);
    border-color: var(--color-action);
    color: var(--color-primary);
}

.ts-form-control {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.625rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.ts-form-control::placeholder {
    color: var(--color-muted);
}

.ts-form-control:hover {
    border-color: var(--color-muted);
}

.ts-form-control:focus-visible {
    border-color: var(--color-action);
}

.ts-form-control:disabled {
    background: var(--color-neutral-soft);
    color: var(--color-muted);
    cursor: not-allowed;
}

.ts-page-title,
.ts-section-title,
.ts-card-title {
    margin: 0;
    color: var(--color-primary);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.ts-page-title {
    font-size: clamp(1.875rem, 4vw, 2.25rem);
    line-height: 1.15;
}

.ts-section-title {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    line-height: 1.25;
}

.ts-card-title {
    font-size: 1.0625rem;
    line-height: 1.35;
}

.ts-muted {
    color: var(--color-muted);
}

.ts-nav {
    background: var(--color-primary);
    padding: 1rem 0 0.75rem;
}

.ts-nav-shell {
    display: flex;
    min-height: 4.5rem;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.625rem 0.5rem 1rem;
    border-radius: 999px;
    background: var(--color-surface);
    box-shadow: 0 12px 32px rgba(5, 12, 28, 0.28);
}

.ts-brand-logo {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-control);
    transition: opacity var(--transition-fast), box-shadow var(--transition-fast);
}

.ts-brand-logo:hover {
    opacity: 0.9;
}

.ts-brand-logo:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.ts-brand-logo-image {
    display: block;
    width: auto;
    height: 3rem;
    object-fit: contain;
}

.ts-nav-desktop {
    min-width: 0;
    flex: 1;
    align-items: center;
}

.ts-nav-primary,
.ts-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.125rem;
    white-space: nowrap;
}

.ts-nav-primary {
    margin-left: auto;
}

.ts-nav-actions {
    margin-left: auto;
}

.ts-nav-item {
    padding: 0.625rem 0.625rem;
    font-size: 0.8125rem;
    line-height: 1.25;
}

.ts-brand-accent {
    color: var(--color-action-soft);
}

.ts-nav-link,
.ts-nav-cta,
.ts-nav-register {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    border-radius: var(--radius-control);
    font-weight: 600;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.ts-nav-link {
    color: var(--color-primary);
}

.ts-nav-link:hover {
    background: var(--color-neutral-soft);
    color: var(--color-primary-hover);
}

.ts-nav-link.ts-nav-active {
    background: var(--color-primary);
    color: var(--color-surface);
    font-weight: 700;
    box-shadow: none;
}

.ts-nav-admin {
    background: var(--color-action-soft);
    color: var(--color-primary);
    font-weight: 700;
}

.ts-nav-aisha-mark {
    color: var(--color-accent-hover);
    font-size: 0.875rem;
    line-height: 1;
}

.ts-nav-link.ts-nav-active .ts-nav-aisha-mark {
    color: var(--color-accent);
}

.ts-nav-cta {
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: 800;
}

.ts-nav-cta:hover {
    background: var(--color-accent-hover);
}

.ts-nav-cta.ts-nav-active,
.ts-nav-register.ts-nav-active {
    box-shadow: 0 0 0 2px var(--color-primary);
}

.ts-nav-register {
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: 800;
}

.ts-nav-register:hover {
    background: var(--color-accent-hover);
}

.ts-nav-logout {
    color: var(--color-danger-soft);
}

.ts-nav-logout:hover {
    background: var(--color-danger);
    color: var(--color-surface);
}

.ts-nav-counter {
    display: inline-flex;
    width: 1.25rem;
    height: 1.25rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--color-surface);
    font-size: 0.6875rem;
    font-weight: 800;
    box-shadow: 0 1px 2px rgba(15, 42, 74, 0.2);
}

.ts-nav-counter-success {
    background: var(--color-success);
}

.ts-nav-counter-danger {
    background: var(--color-danger);
}

.ts-nav-notification {
    position: relative;
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    color: var(--color-primary);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.ts-nav-notification:hover {
    border-color: var(--color-action);
    background: var(--color-action-soft);
}

.ts-nav-notification.ts-nav-active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-surface);
}

.ts-nav-notification-badge {
    position: absolute;
    top: -0.25rem;
    right: -0.25rem;
    display: inline-flex;
    min-width: 1.125rem;
    height: 1.125rem;
    align-items: center;
    justify-content: center;
    padding: 0 0.25rem;
    border: 2px solid var(--color-surface);
    border-radius: 999px;
    background: var(--color-danger);
    color: var(--color-surface);
    font-size: 0.625rem;
    font-weight: 800;
    line-height: 1;
}

.ts-account-menu {
    position: relative;
    flex-shrink: 0;
    margin-left: 0.25rem;
}

.ts-account-trigger {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.375rem 0.25rem 0.25rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-neutral-soft);
    color: var(--color-primary);
    font-size: 0.8125rem;
    font-weight: 700;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.ts-account-trigger:hover,
.ts-account-trigger-open,
.ts-account-trigger-active {
    background: var(--color-action-soft);
    border-color: var(--color-action);
    color: var(--color-primary);
}

.ts-account-avatar {
    display: inline-flex;
    width: 2.25rem;
    height: 2.25rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--color-primary);
    color: var(--color-surface);
}

.ts-account-chevron {
    transition: transform var(--transition-fast);
}

.ts-account-trigger-open .ts-account-chevron {
    transform: rotate(180deg);
}

.ts-account-dropdown {
    position: absolute;
    z-index: 60;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 11rem;
    padding: 0.375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
}

.ts-account-menu-item {
    display: flex;
    width: 100%;
    align-items: center;
    padding: 0.625rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.ts-account-menu-item:hover {
    background: var(--color-action-soft);
    color: var(--color-action);
}

.ts-account-menu-item-danger {
    color: var(--color-danger);
}

.ts-account-menu-item-danger:hover {
    background: var(--color-danger-soft);
    color: var(--color-danger);
}

.ts-mobile-menu-button {
    min-width: 2.75rem;
    min-height: 2.75rem;
    color: var(--color-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.ts-mobile-menu-button:hover {
    background: var(--color-neutral-soft);
    color: var(--color-primary-hover);
}

/* Manual / AISHA switch on create_tender.php */
.ts-segmented {
    display: inline-flex;
    gap: 0.25rem;
    padding: 0.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    background: var(--color-surface);
}

.ts-segmented-item {
    display: inline-flex;
    min-height: 2.5rem;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: calc(var(--radius-control) - 2px);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.ts-segmented-item:hover {
    background: var(--color-neutral-soft);
}

.ts-segmented-item[aria-current="page"] {
    background: var(--color-primary);
    color: var(--color-surface);
}

/* In-app confirmation dialog (AISHA). */
.ts-dialog {
    width: calc(100% - 2rem);
    max-width: 32rem;
    padding: 1.5rem;
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 20px 50px rgba(15, 42, 74, 0.25);
}

.ts-dialog::backdrop {
    background: rgba(15, 42, 74, 0.45);
}

/* AISHA side panel: collapsed behind a toggle on phones and tablets. */
@media (max-width: 1023px) {
    .ts-aisha-side:not(.is-open) > section {
        display: none;
    }
}

/* Clickable 1-5 star rating (tender_detail.php review form). */
.ts-star-rating {
    display: inline-flex;
    flex-direction: row-reverse;
    gap: 0.125rem;
}

.ts-star-rating input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.ts-star-rating label {
    padding: 0.25rem;
    border-radius: 0.375rem;
    color: #CBD5E1;
    cursor: pointer;
}

.ts-star-rating input:checked ~ label,
.ts-star-rating label:hover,
.ts-star-rating label:hover ~ label {
    color: var(--color-accent);
}

.ts-star-rating input:focus-visible + label {
    outline: 3px solid var(--color-action);
    outline-offset: 2px;
}

/* Marketplace filters: collapsed behind "Filtrele" on phones. */
.ts-filter-more {
    display: grid;
    gap: 1rem;
}

@media (max-width: 767px) {
    .ts-filter-more:not(.is-open) {
        display: none;
    }
}

@media (min-width: 768px) {
    .ts-filter-more {
        display: contents;
    }

    .ts-filter-toggle.ts-filter-toggle {
        display: none;
    }
}

/* Touch targets: at least 44px tall on phones and tablets. */
@media (max-width: 1023px) {
    .ts-btn,
    .ts-btn.min-h-0 {
        min-height: 2.75rem;
    }
}

.ts-mobile-menu {
    margin-top: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
}

.ts-mobile-menu .ts-nav-link,
.ts-mobile-menu .ts-nav-cta,
.ts-mobile-menu .ts-nav-register {
    display: flex;
    width: 100%;
}

#mobile-menu {
    max-width: 80rem;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1rem;
    padding-left: 1rem;
}

.ts-home-hero {
    background: var(--color-primary);
    color: var(--color-surface);
}

.ts-home-create-cta {
    border-radius: 999px;
    white-space: nowrap;
}

.ts-footer {
    background: var(--color-primary);
    border-top: 1px solid var(--color-primary-hover);
    color: var(--color-action-soft);
}

@media (min-width: 1280px) {
    .ts-nav-primary,
    .ts-nav-actions {
        gap: 0.25rem;
    }

    .ts-nav-item {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 1279px) {
    .ts-nav-username {
        display: none;
    }

    .ts-nav-shell {
        padding-left: 0.75rem;
    }

    .ts-nav-primary {
        margin-left: auto;
    }

    .ts-nav-item {
        padding-right: 0.5rem;
        padding-left: 0.5rem;
    }

    .ts-account-name,
    .ts-account-chevron {
        display: none;
    }
}

@media (max-width: 639px) {
    .ts-nav {
        padding-top: 0.75rem;
    }

    .ts-nav-shell {
        min-height: 3.75rem;
    }

    .ts-brand-logo-image {
        height: 2.5rem;
    }

    .ts-account-trigger {
        padding-right: 0.25rem;
        padding-left: 0.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ts-btn,
    .ts-form-control,
    .ts-nav-link,
    .ts-nav-cta,
    .ts-nav-register,
    .ts-account-trigger,
    .ts-account-menu-item,
    .ts-mobile-menu-button {
        transition: none;
    }

    .ts-btn:hover {
        transform: none;
    }
}

/* ---------- Accessibility helpers ---------- */
.ts-skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 100;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-control);
    background: var(--color-surface);
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: var(--shadow-card);
    transition: top var(--transition-fast);
}

.ts-skip-link:focus {
    top: 1rem;
    outline: none;
    box-shadow: var(--focus-ring), var(--shadow-card);
}

/* ---------- Tender wizard ---------- */
.ts-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

.ts-optional {
    margin-left: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-muted);
}

.ts-field-help {
    margin-top: 0.375rem;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--color-muted);
}

.ts-field-help:empty {
    margin: 0;
}

.ts-field-error {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-danger);
}

.ts-field-error::before {
    content: "⚠ ";
}

.ts-form-control[aria-invalid="true"] {
    border-color: var(--color-danger);
    background: #FFFBFB;
}

.ts-form-control.ts-ai-filled {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(245, 165, 36, 0.25);
}

.ts-choice-card {
    display: flex;
    cursor: pointer;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-control);
    padding: 1rem;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.ts-choice-card:hover {
    background: var(--color-neutral-soft);
}

.ts-choice-card:has(input:checked) {
    border-color: var(--color-action);
    background: var(--color-action-soft);
}

.ts-choice-card:has(input:focus-visible) {
    box-shadow: var(--focus-ring);
}

.ts-stepper {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.ts-stepper-item {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    border: 0;
    border-radius: var(--radius-control);
    background: transparent;
    padding: 0.25rem;
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
}

.ts-stepper-item:disabled {
    cursor: default;
}

.ts-stepper-item:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.ts-stepper-number {
    display: inline-flex;
    height: 2rem;
    width: 2rem;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    color: var(--color-muted);
    font-size: 0.875rem;
}

.ts-stepper-item.is-complete {
    color: var(--color-primary);
}

.ts-stepper-item.is-complete .ts-stepper-number {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-surface);
}

.ts-stepper-item.is-current {
    color: var(--color-action);
}

.ts-stepper-item.is-current .ts-stepper-number {
    border-color: var(--color-action);
    background: var(--color-action);
    color: var(--color-surface);
}

@media (max-width: 639px) {
    .ts-stepper-label {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
    }
}

.ts-wizard-actions {
    display: flex;
    flex-direction: column-reverse;
    gap: 0.75rem;
    margin-top: 2rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

@media (min-width: 640px) {
    .ts-wizard-actions {
        flex-direction: row;
        align-items: center;
    }
}

/* Component classes set their own display; keep the "hidden" utility
   effective for wizard buttons and messages regardless of stylesheet order. */
.ts-btn.hidden,
.ts-alert.hidden,
.ts-field.hidden,
.ts-field-error.hidden {
    display: none;
}

/* ---------- Home page ---------- */
/* The menu stays on screen while the long landing page scrolls; anchors
   (#nasil-calisir, #sss...) stop below it. */
html:has(body.ts-home-page) {
    scroll-padding-top: 7rem;
}

@media (prefers-reduced-motion: no-preference) {
    html:has(body.ts-home-page) {
        scroll-behavior: smooth;
    }
}

.ts-home-page .ts-nav {
    position: sticky;
    top: 0;
    z-index: 40;
}