/* ================================================
   REX9 SETTINGS DROPDOWN - PROFESSIONAL DESIGN
   Sıfırdan yazılmış, modern ve responsive
   ================================================ */

/* ============================================
   DESKTOP SETTINGS DROPDOWN
   ============================================ */

.settings-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 340px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
    z-index: 10000;
    display: none;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.settings-dropdown.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   SETTINGS ITEM CONTAINER
   ============================================ */

.settings-item {
    margin-bottom: 1.5rem;
}

.settings-item:last-child {
    margin-bottom: 0;
}

/* ============================================
   LABELS
   ============================================ */

.settings-item label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

/* ============================================
   SETTINGS GRID ROWS
   ============================================ */

.settings-row {
    display: grid;
    gap: 0.625rem;
}

/* Theme - 2 columns */
.settings-item:nth-child(1) .settings-row {
    grid-template-columns: repeat(2, 1fr);
}

/* Language - 2x2 grid */
.settings-item:nth-child(2) .settings-row {
    grid-template-columns: repeat(2, 1fr);
}

/* Snow Effect - Single column */
.settings-item:nth-child(3) .settings-row {
    grid-template-columns: 1fr;
}

/* ============================================
   SETTINGS OPTION BUTTONS
   ============================================ */

.settings-option {
    padding: 0.6875rem 1rem;
    min-height: 42px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
}

.settings-option:hover {
    background: rgba(88, 101, 242, 0.08);
    border-color: var(--primary);
    color: var(--text);
    transform: translateY(-1px);
}

.settings-option.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(88, 101, 242, 0.35);
}

.settings-option:active {
    transform: translateY(0);
}

/* ============================================
   SLIDER GROUP (KAR YOĞUNLUĞU)
   ============================================ */

.slider-group {
    margin-top: 0.75rem;
    padding-top: 0.5rem;
}

.intensity-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 8px;
    background: var(--bg-tertiary);
    outline: none;
    cursor: pointer;
    position: relative;
}

.intensity-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border: 3px solid white;
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(88, 101, 242, 0.5);
    transition: transform 0.15s ease;
}

.intensity-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.intensity-slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
}

.intensity-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--primary);
    border: 3px solid white;
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(88, 101, 242, 0.5);
}

/* ============================================
   BACKDROP - SADECE MOBİL MENÜ İÇİN
   ============================================ */

body.menu-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* PC'de ayarlar dropdown için backdrop YOK */
@media (min-width: 769px) {
    body.settings-open::before {
        display: none !important;
    }
}

/* ============================================
   MOBİL SETTINGS (FULL SCREEN)
   ============================================ */

@media (max-width: 768px) {
    /* Mobil backdrop */
    body.settings-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.85);
        z-index: 9998;
        backdrop-filter: blur(10px);
        animation: fadeIn 0.25s ease;
    }

    /* Full screen dropdown */
    .settings-dropdown {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        border-radius: 0;
        background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        padding: 5.5rem 1.5rem 2.5rem;
        z-index: 10000;
        box-shadow: none;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        opacity: 1;
    }

    .settings-dropdown.active {
        transform: translateX(0);
    }

    /* Close button (X) */
    .settings-dropdown::after {
        content: '✕';
        position: fixed;
        top: 1.5rem;
        right: 1.5rem;
        width: 50px;
        height: 50px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid var(--border);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        line-height: 1;
        color: var(--text);
        cursor: pointer;
        z-index: 10001;
        transition: all 0.2s ease;
    }

    .settings-dropdown::after:hover {
        background: rgba(255, 255, 255, 0.12);
        transform: rotate(90deg);
    }

    /* Settings item cards */
    .settings-item {
        width: 100%;
        max-width: 420px;
        margin: 0 auto 1.5rem;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 1.75rem;
    }

    .settings-item:last-child {
        margin-bottom: 0;
    }

    .settings-item label {
        font-size: 0.875rem;
        text-align: center;
        margin-bottom: 1.125rem;
        opacity: 1;
        color: var(--text);
    }

    .settings-row {
        gap: 0.875rem;
    }

    .settings-option {
        padding: 1rem 1.25rem;
        font-size: 0.9375rem;
        min-height: 54px;
    }

    .slider-group {
        margin-top: 1rem;
        padding-top: 0.75rem;
    }

    .intensity-slider {
        height: 10px;
    }

    .intensity-slider::-webkit-slider-thumb {
        width: 24px;
        height: 24px;
        border-width: 4px;
    }

    .intensity-slider::-moz-range-thumb {
        width: 24px;
        height: 24px;
        border-width: 4px;
    }
}

/* Desktop'ta close button gizli */
@media (min-width: 769px) {
    .settings-dropdown::after {
        display: none !important;
    }
}

/* ============================================
   TABLET OPTIMIZATIONS
   ============================================ */

@media (min-width: 769px) and (max-width: 1024px) {
    .settings-dropdown {
        width: 320px;
        padding: 1.375rem;
    }

    .settings-option {
        font-size: 0.8125rem;
        padding: 0.625rem 0.875rem;
    }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

.settings-option:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.intensity-slider:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: 8px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .settings-dropdown,
    .settings-option,
    .intensity-slider::-webkit-slider-thumb {
        transition: none !important;
    }

    .settings-dropdown::after {
        transition: none !important;
    }
}