/* ==========================================================================
   CepteBakım — shop-shared.css
   products / cart / checkout sayfalarında ortak: topbar, butonlar, footer, toast
   ========================================================================== */

/* ==========================================================================
   TOPBAR
   ========================================================================== */

.cb-topbar {
    background: rgba(247, 248, 251, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--cb-border);
    padding: 0.875rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

[data-theme="dark"] .cb-topbar {
    background: rgba(11, 15, 20, 0.8);
}

.cb-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    color: var(--cb-text);
}

.cb-brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--cb-accent) 0%, var(--cb-accent-hover) 100%);
    border-radius: 10px;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 4px 14px var(--cb-accent-glow);
    font-family: var(--cb-font-mono);
    font-size: 1.05rem;
}

.cb-brand-name {
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    color: var(--cb-text);
}

.cb-brand-name span { color: var(--cb-accent); }

.cb-nav-link {
    color: var(--cb-text-muted);
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0.5rem 0.875rem;
    border-radius: var(--cb-radius-sm);
    transition: all 0.2s ease;
}

.cb-nav-link:hover { color: var(--cb-text); background: var(--cb-bg-subtle); }
.cb-nav-link.active { color: var(--cb-accent); background: var(--cb-accent-soft); }

.cb-theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--cb-bg-card);
    border: 1px solid var(--cb-border);
    color: var(--cb-text-muted);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.cb-theme-toggle:hover { border-color: var(--cb-accent); color: var(--cb-accent); }

.cb-theme-toggle .bi-sun-fill,
.cb-theme-toggle .bi-moon-stars-fill {
    position: absolute;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
    font-size: 1rem;
}

[data-theme="dark"] .cb-theme-toggle .bi-moon-stars-fill { transform: translateY(150%); opacity: 0; }
[data-theme="dark"] .cb-theme-toggle .bi-sun-fill { transform: translateY(0); opacity: 1; }
.cb-theme-toggle .bi-sun-fill { transform: translateY(150%); opacity: 0; }
.cb-theme-toggle .bi-moon-stars-fill { transform: translateY(0); opacity: 1; }

/* Cart icon button */
.cb-cart-btn {
    position: relative;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--cb-bg-card);
    border: 1px solid var(--cb-border);
    color: var(--cb-text-muted);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.cb-cart-btn:hover { border-color: var(--cb-accent); color: var(--cb-accent); }

.cb-cart-btn i { font-size: 1rem; }

.cb-cart-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--cb-accent);
    color: #fff;
    border: 2px solid var(--cb-bg);
    border-radius: 99px;
    font-family: var(--cb-font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    display: grid;
    place-items: center;
    line-height: 1;
}

[data-theme="dark"] .cb-cart-badge { border-color: var(--cb-bg); }

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.cb-btn {
    font-family: var(--cb-font-sans);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.7rem 1.4rem;
    border-radius: var(--cb-radius-sm);
    border: 1px solid transparent;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    text-decoration: none;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

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

.cb-btn-primary:hover:not(:disabled) {
    background: var(--cb-accent-hover);
    border-color: var(--cb-accent-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--cb-accent-glow);
}

.cb-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.cb-btn-ghost {
    background: transparent;
    color: var(--cb-text);
    border-color: var(--cb-border-strong);
}

.cb-btn-ghost:hover { background: var(--cb-bg-subtle); border-color: var(--cb-accent); color: var(--cb-accent); }

.cb-btn-soft {
    background: var(--cb-bg-card);
    color: var(--cb-text);
    border-color: var(--cb-border);
    box-shadow: var(--cb-shadow-sm);
}

.cb-btn-soft:hover { background: var(--cb-bg-card-hover); border-color: var(--cb-border-strong); color: var(--cb-text); }

.cb-btn-sm { padding: 0.45rem 0.9rem; font-size: 0.82rem; }
.cb-btn-lg { padding: 0.95rem 1.8rem; font-size: 1rem; }

.cb-eyebrow {
    font-family: var(--cb-font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--cb-accent);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.cb-eyebrow::before {
    content: '';
    width: 22px;
    height: 1px;
    background: var(--cb-accent);
    display: inline-block;
}

.cb-eyebrow-center {
    display: inline-flex;
    margin: 0 auto;
}

.cb-eyebrow-center::after {
    content: '';
    width: 22px;
    height: 1px;
    background: var(--cb-accent);
    display: inline-block;
}

/* ==========================================================================
   PAGE HEADER (sayfa başlığı)
   ========================================================================== */

.cb-page-header {
    padding: 4rem 0 2.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cb-page-header::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, var(--cb-accent-soft) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.cb-page-header-inner {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cb-page-header h1 {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 1rem 0 0.85rem;
    color: var(--cb-text);
}

.cb-page-header h1 em {
    font-family: var(--cb-font-serif);
    font-style: italic;
    color: var(--cb-accent);
    font-weight: 400;
}

.cb-page-header p {
    font-size: 1.05rem;
    color: var(--cb-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ==========================================================================
   STEPS (sepet → ödeme → tamamlandı göstergesi)
   ========================================================================== */

.cb-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    margin: 2rem 0 0;
    flex-wrap: wrap;
}

.cb-step {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1.1rem;
    color: var(--cb-text-dim);
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.3s;
}

.cb-step .num {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--cb-bg-card);
    border: 1.5px solid var(--cb-border);
    display: grid;
    place-items: center;
    font-family: var(--cb-font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cb-text-dim);
    flex-shrink: 0;
    transition: all 0.3s;
}

.cb-step.active { color: var(--cb-accent); }
.cb-step.active .num {
    background: var(--cb-accent);
    border-color: var(--cb-accent);
    color: #fff;
    box-shadow: 0 4px 14px var(--cb-accent-glow);
}

.cb-step.done { color: var(--cb-text); }
.cb-step.done .num {
    background: var(--cb-success);
    border-color: var(--cb-success);
    color: #fff;
}

.cb-step-line {
    width: 36px;
    height: 1px;
    background: var(--cb-border);
}

@media (max-width: 576px) {
    .cb-steps { gap: 0.25rem; }
    .cb-step { padding: 0.45rem 0.6rem; font-size: 0.8rem; }
    .cb-step-line { width: 16px; }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.cb-footer {
    background: var(--cb-bg-elevated);
    border-top: 1px solid var(--cb-border);
    padding: 2rem 0;
    margin-top: 0;
    color: var(--cb-text-muted);
    font-size: 0.85rem;
}

.cb-footer .row-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.cb-footer a {
    color: var(--cb-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    display: inline-block;
    padding: 0;
    margin-left: 1.25rem;
    transition: color 0.2s;
}

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

/* ==========================================================================
   TOAST (cart-shared.js dinamik üretir)
   ========================================================================== */

.cb-toast {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(-150%);
    background: var(--cb-bg-card);
    border: 1px solid var(--cb-border-strong);
    border-radius: var(--cb-radius-md);
    padding: 0.85rem 1.2rem;
    box-shadow: var(--cb-shadow-lg);
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.9rem;
    color: var(--cb-text);
    z-index: 9999;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    max-width: 90vw;
}

.cb-toast.show { transform: translateX(-50%) translateY(0); }
.cb-toast.error { border-color: rgba(220, 38, 38, 0.35); }
.cb-toast.error i { color: var(--cb-danger); }
.cb-toast.success { border-color: rgba(22, 163, 74, 0.35); }
.cb-toast.success i { color: var(--cb-success); }