/* === Split Layout === */
.split-container {
    display: flex;
    width: 100%;
    height: calc(100vh - 120px);
    min-height: 500px;
    margin-top: 40px;
    position: relative;
}

/* === Left Panel Modern Styling === */
.left-content {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-right: 1px solid var(--border-color);
    width: 330px;
    min-width: 330px;
    max-width: 70%;
    padding: 1rem;
    padding-right: 0; /* Sağ padding'i kaldır */
    box-sizing: border-box;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translateX(0);
    opacity: 1;
}

.left-content.resizing {
    transition: none;
}

/* Collapsed State */
.left-content.collapsed {
    width: 0 !important;
    min-width: 0 !important;
    padding: 0 !important;
    border-right: none;
    transform: translateX(-100%);
    opacity: 0;
    pointer-events: none;
}

/* Search Panel */
.search-panel {
    background: transparent;
    padding: 1rem;
}

.search-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.collapse-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    height: 36px;
    width: 36px;
    position: relative;
    overflow: hidden;
}

.collapse-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.2), transparent);
    transition: left 0.5s;
}

.collapse-btn:hover::before {
    left: 100%;
}

.collapse-btn:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.collapse-btn svg {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.collapse-btn:hover svg {
    transform: translateX(-2px);
}

.search-input-group {
    flex: 1;
    display: flex;
    gap: 0.5rem;
}

.search-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background: var(--bg-primary);
    color: var(--text-color);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-btn {
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

/* Tab Menu */
.tab-menu {
    flex: 1;
    padding: 1rem 0 0 0;
    padding-right: 4px; 
    overflow-y: auto;
}

.left-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.left-menu li {
    margin-bottom: 0;
    /* Aralarına çizgi ekle */
    border-bottom: 1px solid var(--border-color);
}

.left-menu li:last-child {
    border-bottom: none;
}

.left-menu a {
    display: block;
    padding: 0.55rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
    margin-bottom: 2px;
}

.left-menu a:hover {
    background: var(--bg-primary);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.left-menu a.active {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    font-weight: 600;
}

.left-menu a.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--primary-color);
    border-radius: 0 2px 2px 0;
}

.left-menu a.active:hover {
    background: var(--primary-hover);
    transform: none;
    border: none;
}

/* === Expand Button === */
.expand-button {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    cursor: pointer;
    color: white;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    animation: expandButtonSlideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.expand-button:hover {
    background: var(--primary-hover);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.4);
}

.expand-button:active {
    transform: translateY(-50%) scale(0.95);
}

.expand-button.show {
    display: flex;
}

.expand-button svg {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.expand-button:hover svg {
    transform: translateX(2px);
}

.right-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center; /* content-wrapper'ı ortalamak için */
    padding: 2rem;
    background: var(--bg-secondary);
    min-width: 200px;
    overflow-y: auto;
    box-sizing: border-box;
    position: relative;
    transition: padding-left 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.right-content.expanded {
    padding-left: 3rem;
}

/* === Resizer === */
.resizer {
    flex-shrink: 0;
    width: 4px;
    background: var(--border-color);
    cursor: col-resize;
    position: relative;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 1;
}

.resizer.hidden {
    width: 0;
    opacity: 0;
    pointer-events: none;
}

.resizer:hover,
.resizer.resizing {
    background: var(--primary-color);
}

.resizer::before {
    content: '';
    position: absolute;
    inset: 0;
    left: -2px;
    right: -2px;
    pointer-events: none;
}

/* === Mobile Menu === */
.mobile-menu-toggle {
    display: none;
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    width: 28px;
    height: 28px;
    cursor: pointer;
    color: white;
    align-items: center;
    justify-content: center;
    z-index: 101;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background-image: url('../images/compass.png');
    background-size: 22px 22px;
    background-position: center;
    background-repeat: no-repeat;
}

.mobile-menu-toggle:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.4);
}

.mobile-menu-toggle span {
    display: none;
}

.mobile-menu-toggle.active {
    background-color: var(--primary-hover);
    transform: scale(1.05);
}

.mobile-menu-toggle.active span:nth-child(1),
.mobile-menu-toggle.active span:nth-child(2),
.mobile-menu-toggle.active span:nth-child(3) {
    display: none;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-left-panel {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    background: var(--bg-secondary);
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    padding-bottom: 2rem; /* Alt padding ekle */
    box-sizing: border-box;
}

.mobile-left-panel.active {
    left: 0;
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.mobile-panel-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1.5rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    position: relative;
}

.mobile-panel-close {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.mobile-panel-close:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.mobile-search-wrapper {
    flex: 1;
    display: flex;
    gap: 0.75rem;
}

.mobile-search-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background: var(--bg-primary);
    transition: var(--transition);
    color: var(--text-color);
}

.mobile-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.mobile-search-input::placeholder {
    color: #9ca3af;
}

body.dark-mode .mobile-search-input::placeholder {
    color: #64748b;
}

.mobile-search-button {
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.mobile-search-button:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

/* Mobile Calculator Menu */
.mobile-tab-menu {
    flex: 1;
    padding: 1rem 1rem 4rem 1rem; /* Alt padding'i artır */
    overflow-y: auto;
}

.mobile-tab-menu .left-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-tab-menu .left-menu li {
    margin-bottom: 0;
}

.mobile-tab-menu .left-menu a {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    font-weight: 500;
    font-size: 1rem;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}

.mobile-tab-menu .left-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.mobile-tab-menu .left-menu a.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    font-weight: 600;
}

.mobile-tab-menu .left-menu a.active:hover {
    background: var(--primary-hover);
    transform: none;
}

/* Mobil menü scrollbar */
.mobile-left-panel::-webkit-scrollbar,
.mobile-tab-menu::-webkit-scrollbar {
    width: 6px; /* Scrollbar genişliğini artır */
}

.mobile-left-panel::-webkit-scrollbar-track,
.mobile-tab-menu::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    margin: 1rem 0; /* Üst ve alt margin ekle */
}

.mobile-left-panel::-webkit-scrollbar-thumb,
.mobile-tab-menu::-webkit-scrollbar-thumb {
    background: rgba(37, 99, 235, 0.3); /* Primary color kullan */
    border-radius: 3px;
    margin: 0.5rem 0; /* Üst ve alt margin ekle */
}

.mobile-left-panel::-webkit-scrollbar-thumb:hover,
.mobile-tab-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(37, 99, 235, 0.5);
}

/* Eski mobile search section'ı gizle */
.mobile-search-section {
    display: none;
}

/* === Animations === */
@keyframes expandButtonSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-20px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0) scale(1);
    }
}

@keyframes expandButtonSlideOut {
    from {
        opacity: 1;
        transform: translateY(-50%) translateX(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-50%) translateX(-20px) scale(0.8);
    }
}

.expand-button.hiding {
    animation: expandButtonSlideOut 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* === Mobile === */
@media (max-width: 768px) {
    .split-container {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 120px);
        margin-top: 20px;
    }

    .left-content {
        display: none !important;
    }

    .right-content {
        width: 100% !important;
        padding: 1.5rem !important;
        min-height: calc(100vh - 120px);
        position: relative;
    }

    .resizer {
        display: none;
    }

    .expand-button {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: flex;
        width: 24px;
        height: 24px;
    }

    /* Mobile panel için ek padding */
    .mobile-left-panel {
        padding-bottom: 3rem; /* Alt padding'i artır */
    }

    .mobile-tab-menu {
        padding-bottom: 5rem; /* Alt padding'i daha da artır */
    }

    /* Mobil menü scrollbar için daha fazla alan */
    .mobile-left-panel::-webkit-scrollbar-thumb,
    .mobile-tab-menu::-webkit-scrollbar-thumb {
        margin: 1rem 0; /* Daha fazla margin */
    }

    /* Smooth slide-in animation for mobile menu items */
    .mobile-left-panel.active .left-menu li {
        animation: slideInLeft 0.3s ease-out forwards;
    }
}

/* Küçük mobil cihazlar için ek düzenlemeler */
@media (max-width: 480px) {
    .mobile-left-panel {
        padding-bottom: 4rem; /* Daha küçük ekranlar için daha fazla padding */
    }

    .mobile-tab-menu {
        padding-bottom: 6rem; /* Daha küçük ekranlar için daha fazla padding */
    }

    /* Mobil menü scrollbar için daha fazla alan */
    .mobile-left-panel::-webkit-scrollbar-thumb,
    .mobile-tab-menu::-webkit-scrollbar-thumb {
        margin: 1.5rem 0; /* Daha küçük ekranlar için daha fazla margin */
    }
}

/* === Scrollbar Styling === */
.left-content::-webkit-scrollbar,
.right-content::-webkit-scrollbar,
.mobile-left-panel::-webkit-scrollbar,
.mobile-tab-menu::-webkit-scrollbar {
    width: 6px;
}

/* Left content için özel scrollbar ayarları */
.left-content::-webkit-scrollbar {
    width: 4px;
}

/* Left content scrollbar track'ini resizer'a bitişik yap */
.left-content::-webkit-scrollbar-track {
    background: transparent;
    margin-right: 0; /* Margin'i kaldır */
}

.left-content::-webkit-scrollbar-thumb,
.right-content::-webkit-scrollbar-thumb,
.mobile-left-panel::-webkit-scrollbar-thumb,
.mobile-tab-menu::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

body.dark-mode .left-content::-webkit-scrollbar-thumb,
body.dark-mode .right-content::-webkit-scrollbar-thumb,
body.dark-mode .mobile-left-panel::-webkit-scrollbar-thumb,
body.dark-mode .mobile-tab-menu::-webkit-scrollbar-thumb {
    background: #475569;
}

/* Left content scrollbar thumb'ını resizer'a bitişik yap */
.left-content::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 2px;
    margin-right: 0; /* Margin'i kaldır */
}

body.dark-mode .left-content::-webkit-scrollbar-thumb {
    background: #475569;
}

.left-content::-webkit-scrollbar-thumb:hover,
.right-content::-webkit-scrollbar-thumb:hover,
.mobile-left-panel::-webkit-scrollbar-thumb:hover,
.mobile-tab-menu::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

body.dark-mode .left-content::-webkit-scrollbar-thumb:hover,
body.dark-mode .right-content::-webkit-scrollbar-thumb:hover,
body.dark-mode .mobile-left-panel::-webkit-scrollbar-thumb:hover,
body.dark-mode .mobile-tab-menu::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Left content scrollbar hover durumu */
.left-content::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

body.dark-mode .left-content::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Calculator menu için de aynı ayarları uygula */
.tab-menu::-webkit-scrollbar {
    width: 4px;
}

.tab-menu::-webkit-scrollbar-track {
    background: transparent;
    margin-right: 0; /* Margin'i kaldır */
}

.tab-menu::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 2px;
    margin-right: 0; /* Margin'i kaldır */
}

body.dark-mode .tab-menu::-webkit-scrollbar-thumb {
    background: #475569;
}

.tab-menu::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

body.dark-mode .tab-menu::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

.mobile-left-panel::-webkit-scrollbar-thumb,
.mobile-tab-menu::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

/* Calculator menu için de aynı ayarları uygula */
.tab-menu::-webkit-scrollbar {
    width: 4px;
}

.tab-menu::-webkit-scrollbar-track {
    background: transparent;
    margin-right: 0; /* Margin'i kaldır */
}

.tab-menu::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 2px;
    margin-right: 0; /* Margin'i kaldır */
}

body.dark-mode .tab-menu::-webkit-scrollbar-thumb {
    background: #475569;
}

.tab-menu::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

body.dark-mode .tab-menu::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}