/* index.css */
:root {
    --bg-gradient: linear-gradient(135deg, #090714 0%, #130f2b 50%, #05040a 100%);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-hover-bg: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(168, 85, 247, 0.3);
    --accent: #a855f7;
    --accent-rgb: 168, 85, 247;
    --accent-gradient: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --text-primary: #f3f1f9;
    --text-secondary: #a69ebd;
    --text-muted: #625c77;
    --badge-bg: rgba(168, 85, 247, 0.12);
    --badge-text: #d8b4fe;
    --badge-border: rgba(168, 85, 247, 0.2);
    --input-bg: rgba(255, 255, 255, 0.02);
    --input-border: rgba(255, 255, 255, 0.06);
    --input-focus-border: rgba(168, 85, 247, 0.5);
    
    --glass-blur: 24px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 25px 0 rgba(168, 85, 247, 0.25);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

/* Gündüz (Açık) Tema Değişkenleri */
[data-theme="light"] {
    --bg-gradient: linear-gradient(135deg, #f5f3ff 0%, #e0e7ff 50%, #fae8ff 100%);
    --card-bg: rgba(255, 255, 255, 0.45);
    --card-border: rgba(168, 85, 247, 0.08);
    --card-hover-bg: rgba(255, 255, 255, 0.75);
    --card-hover-border: rgba(168, 85, 247, 0.25);
    --accent: #7c3aed;
    --accent-rgb: 124, 58, 237;
    --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
    --text-primary: #1e1b29;
    --text-secondary: #585368;
    --text-muted: #8d879e;
    --badge-bg: rgba(124, 58, 237, 0.08);
    --badge-text: #6d28d9;
    --badge-border: rgba(124, 58, 237, 0.15);
    --input-bg: rgba(255, 255, 255, 0.7);
    --input-border: rgba(124, 58, 237, 0.15);
    --input-focus-border: rgba(124, 58, 237, 0.45);
    
    --shadow-md: 0 10px 15px -3px rgba(124, 58, 237, 0.05), 0 4px 6px -4px rgba(124, 58, 237, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(124, 58, 237, 0.08), 0 8px 10px -6px rgba(124, 58, 237, 0.08);
    --shadow-glow: 0 0 25px 0 rgba(124, 58, 237, 0.12);
}

/* Temel Sıfırlamalar ve Yapı */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding: 2rem 1rem;
    transition: background var(--transition-slow);
}

/* Dekoratif Arka Plan Küreleri */
.background-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    transition: background var(--transition-slow), transform var(--transition-slow);
}

[data-theme="light"] .circle {
    opacity: 0.25;
    filter: blur(100px);
}

.circle-1 {
    top: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: #ec4899;
    animation: pulseCircle 15s infinite alternate;
}

.circle-2 {
    bottom: -10%;
    left: -10%;
    width: 45vw;
    height: 45vw;
    background: #3b82f6;
    animation: pulseCircle 12s infinite alternate-reverse;
}

.circle-3 {
    top: 40%;
    left: 25%;
    width: 30vw;
    height: 30vw;
    background: #a855f7;
    animation: floatCircle 20s infinite linear;
}

@keyframes pulseCircle {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.15) translate(40px, -40px); }
}

@keyframes floatCircle {
    0% { transform: rotate(0deg) translate(0px, 0px) scale(1); }
    50% { transform: rotate(180deg) translate(80px, 50px) scale(1.1); }
    100% { transform: rotate(360deg) translate(0px, 0px) scale(1); }
}

/* Ana Konteyner */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 3rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.logo-text h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.logo-text h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Tema Değiştirici Buton */
.theme-btn {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    backdrop-filter: blur(var(--glass-blur));
    transition: var(--transition-normal);
}

.theme-btn:hover {
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    transform: scale(1.05);
}

/* Arama ve Filtre Bölümü */
.search-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.5rem;
    padding: 2rem;
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    transition: var(--transition-normal);
}

.search-section:hover {
    border-color: rgba(168, 85, 247, 0.15);
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    margin-bottom: 1.5rem;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.search-wrapper input {
    width: 100%;
    padding: 1.25rem 1.25rem 1.25rem 3.25rem;
    border-radius: 1rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    outline: none;
    transition: var(--transition-normal);
}

.search-wrapper input::placeholder {
    color: var(--text-muted);
}

.search-wrapper input:focus {
    border-color: var(--input-focus-border);
    box-shadow: var(--shadow-glow);
    background: rgba(255, 255, 255, 0.01);
}

[data-theme="light"] .search-wrapper input:focus {
    background: #ffffff;
}

.search-wrapper input:focus + .search-icon {
    color: var(--accent);
}

.clear-btn {
    position: absolute;
    right: 1.25rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.clear-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Yetenek Filtresi */
.skills-filter-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.filter-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skills-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.skill-tag-btn:hover {
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.skill-tag-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.2);
}

/* İstatistik Paneli */
.stats-panel {
    margin-bottom: 1.5rem;
    padding: 0 0.5rem;
}

.stats-panel p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stats-panel strong {
    color: var(--accent);
    font-weight: 700;
}

/* Çalışan Grid */
.employees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    transition: var(--transition-slow);
}

/* Çalışan Kartı */
.employee-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.5rem;
    padding: 1.75rem;
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition-slow), opacity 0.3s ease;
    opacity: 1;
    position: relative;
    overflow: hidden;
}

.employee-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-normal);
}

.employee-card:hover {
    transform: translateY(-8px);
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.employee-card:hover::before {
    opacity: 1;
}

/* Kart Header */
.card-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.avatar-wrapper {
    position: relative;
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 1.25rem;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--card-border);
    transition: var(--transition-normal);
}

.employee-card:hover .avatar-wrapper {
    border-color: var(--accent);
    transform: scale(1.05);
}

.employee-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Placeholder Avatar */
.avatar-wrapper.placeholder {
    background: var(--accent-gradient);
    border: none;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.meta-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow: hidden;
}

.employee-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.2px;
    color: var(--text-primary);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.employee-role {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Kart Body */
.card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.employee-bio {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.employee-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.skill-badge {
    background: var(--badge-bg);
    color: var(--badge-text);
    border: 1px solid var(--badge-border);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.skill-badge:hover {
    background: var(--accent);
    color: #ffffff;
    border-color: transparent;
    transform: scale(1.05);
}

/* Kart Footer */
.card-footer {
    margin-top: auto;
}

.view-profile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.9rem;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.view-profile-btn i {
    font-size: 0.8rem;
    transition: var(--transition-normal);
}

.view-profile-btn:hover:not(.disabled) {
    background: var(--accent-gradient);
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.25);
}

.view-profile-btn:hover:not(.disabled) i {
    transform: translate(2px, -2px);
}

/* Disabled Kart Butonu */
.view-profile-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-muted);
}

/* Bulunamadı Uyarısı */
.no-results-found {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.5rem;
    backdrop-filter: blur(var(--glass-blur));
}

.no-results-found i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.no-results-found h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.no-results-found p {
    color: var(--text-secondary);
}

.no-results-global {
    grid-column: 1 / -1;
    text-align: center;
    padding: 6rem 2rem;
    background: var(--card-bg);
    border: 1px dashed var(--card-border);
    border-radius: 1.5rem;
}

.no-results-global i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.no-results-global h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.no-results-global p {
    color: var(--text-secondary);
}

/* Kaydırma Çubuğu Özelleştirme */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Responsive Düzenlemeler */
@media (max-width: 768px) {
    body {
        padding: 1.5rem 0.75rem;
    }
    
    .main-header {
        flex-direction: column;
        gap: 1.25rem;
        align-items: flex-start;
        padding-bottom: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .theme-toggle-container {
        align-self: flex-end;
        margin-top: -3.5rem;
    }
    
    .search-section {
        padding: 1.25rem;
        border-radius: 1.25rem;
    }
    
    .search-wrapper input {
        font-size: 1rem;
        padding: 1rem 1rem 1rem 3rem;
    }
    
    .search-icon {
        left: 1rem;
    }
    
    .employees-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}