@import url('https://fonts.googleapis.com/css2?family=Mulish:wght@300;400;500;600;700;800&display=swap');

:root {
    /* PHP tarafında dinamik olarak ezilecek */
    --bg-color: #f4f6fa;
    --primary-color: #3f51b5; 
    --icon-color: #8da4b5;
    --font-size: 14px;
    --font-weight: 400;
    --text-color: #4b5563;
    --sidebar-width: 250px;
    --sidebar-font-size: 20px;
    --sidebar-font-weight: 600;
    --sidebar-text-color: #64748b;
    --header-height: 70px;
    --header-font-size: 18px;
    --header-font-weight: 700;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Mulish', sans-serif;
    font-size: var(--font-size);
    font-weight: var(--font-weight);
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

/* Layout Yapısı */
.wrapper {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-color);
    height: 100%;
    border-right: 1px solid rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease;
    z-index: 100;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar.collapsed .sidebar-header img {
    display: none; /* veya sadece mini icon gösterilebilir */
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding-left: 0;
}

.sidebar.collapsed .sidebar-menu li a span {
    display: none;
}

.sidebar.collapsed .sidebar-menu li a svg {
    margin-right: 0;
}
.sidebar.collapsed .sidebar-menu li a {
    justify-content: center;
    padding: 12px;
}

.sidebar.collapsed .sidebar-bottom {
    padding-left: 0;
    justify-content: center;
}
.sidebar.collapsed .sidebar-bottom span {
    display: none;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 20px;
    transition: padding 0.3s;
}

.sidebar-header img {
    max-height: 40px;
    max-width: 80%;
    transition: opacity 0.2s;
}

/* Logo Geçişleri */
.sidebar.collapsed .sidebar-header { padding-left: 15px; justify-content: center; }
.sidebar.collapsed .main-logo { display: none !important; }
.sidebar.collapsed .collapsed-logo { display: block !important; max-height: 30px; }
.sidebar:not(.collapsed) .collapsed-logo { display: none !important; }
.sidebar:not(.collapsed) .main-logo { display: block !important; }

.sidebar-menu {
    list-style: none;
    padding: 15px 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-menu li {
    margin: 5px 15px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: var(--sidebar-text-color);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: var(--sidebar-font-weight);
    font-size: calc(var(--sidebar-font-size) - 6.5px); /* Sidebar genişliği ile orantılı ölçekleme */
    letter-spacing: 0.3px;
}

.sidebar-menu li a:hover {
    background: color-mix(in srgb, var(--primary-color) 8%, transparent);
    color: var(--primary-color);
}

.sidebar-menu li.active a {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 6px color-mix(in srgb, var(--primary-color) 25%, transparent);
}

.sidebar-menu li a svg {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    width: 20px;
    height: 20px;
    margin-right: 15px;
}

.sidebar-menu li.active a svg {
    stroke: #ffffff;
}

/* Sidebar Bottom (Toggle) */
.sidebar-bottom {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--sidebar-text-color);
    font-weight: var(--sidebar-font-weight);
    font-size: calc(var(--sidebar-font-size) - 6.5px);
    transition: 0.2s;
    border-top: 1px solid rgba(0,0,0,0.03);
}
.sidebar-bottom:hover {
    color: var(--primary-color);
}
.sidebar-bottom svg {
    width: 20px; height: 20px; margin-right: 15px;
    fill: none; stroke: currentColor; stroke-width: 1.5;
}

/* Ana İçerik */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
}

.top-header {
    height: var(--header-height);
    background: var(--bg-color); 
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 30px 5px 30px; /* Üstten biraz daha boşluk */
    margin-bottom: 0;
    position: sticky;
    top: 0;
    z-index: 90;
    border-bottom: 1px solid rgba(0,0,0,0.02);
}

.page-title-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-title-area svg {
    width: 22px;
    height: 22px;
    stroke: var(--icon-color);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.page-title-area h1 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--text-color);
}

.content-body {
    padding: 15px 30px 30px 30px; /* Üstten ek boşluk */
    flex: 1;
}

/* Kartlar ve Kutu Tasarımları (Clone UI: Tam düz/Flat) */
.card {
    background: #ffffff;
    border-radius: 4px; /* örnekteki gibi sivri/çok hafif oval */
    box-shadow: 0 1px 4px rgba(0,0,0,0.02);
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid #f1f5f9;
}

.card-title {
    font-size: calc(var(--header-font-size) - 2px);
    color: var(--text-color);
    margin-bottom: 25px;
    padding-bottom: 0;
    font-weight: var(--header-font-weight);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sticky Tabs for Settings */
.sticky-tabs {
    position: sticky;
    top: var(--header-height);
    z-index: 80;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

/* Mobil Uyum (Hamburger Menu) */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        background: #fff;
        box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    }
    .sidebar.active {
        left: 0;
    }
    .menu-toggle {
        display: block;
    }
    .content-body {
        padding: 15px;
    }
    .top-header {
        padding: 5px 15px;
        height: auto;
        min-height: 60px;
    }
    /* Mobil Filtreleri Dikey Yap */
    .filter-group {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .filter-group a {
        margin-left: 0 !important;
        text-align: center;
        width: 100%;
    }
}