/* Temel Ayarlar */
body {
    background-color: #f0f2f5;
    background-image: radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
                      radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
                      radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Glassmorphism Kart */
.glass-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.1);
}

/* Form Elemanları */
.auth-input, .form-input {
    width: 100%;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    font-size: 0.875rem;
    border-radius: 0.75rem;
    padding: 0.75rem;
    outline: none;
    transition: all 0.2s;
    color: #1e293b;
}

.auth-input:focus, .form-input:focus {
    border-color: #3b82f6;
    background-color: white;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.auth-btn {
    width: 100%;
    color: white;
    font-weight: bold;
    padding: 12px;
    border-radius: 0.75rem;
    transition: all 0.2s;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: #64748b;
    margin-bottom: 0.5rem;
}

/* Sidebar Animasyonu */
.sidebar { transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.sidebar-open { transform: translateX(0); }
.sidebar-closed { transform: translateX(100%); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ================= DARK MODE ================= */
.dark body {
    background-color: #0f172a;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 100%, hsla(225,39%,15%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,15%,1) 0, transparent 50%);
    color: #e2e8f0;
}

.dark .glass-card {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.5);
}

.dark .form-input, 
.dark .auth-input,
.dark select {
    background-color: #1e293b;
    border-color: #334155;
    color: #f1f5f9;
}

.dark .form-input:focus {
    border-color: #3b82f6;
    background-color: #0f172a;
}

.dark .form-label { color: #94a3b8; }

.dark table tr:hover {
    background-color: rgba(59, 130, 246, 0.1) !important;
}

::-webkit-calendar-picker-indicator {
    filter: invert(0);
}
.dark ::-webkit-calendar-picker-indicator {
    filter: invert(1);
}