/* --- GENEL AYARLAR --- */
:root {
    --bg: #0b0c0e;
    --card: #16171d;
    --input-bg: #020202;
    --text: #e1e1e1;
    --primary: #5865f2;
    --success: #23a559;
    --warning: #f0b232;
    --info: #00a8fc;
    --danger: #f23f42;
    --border: rgba(255, 255, 255, 0.08);
}

body { 
    font-family: 'Inter', sans-serif; 
    background: var(--bg); 
    color: var(--text); 
    margin: 0; 
    padding: 40px 20px;
    display: flex;
    justify-content: center;
}

.container { 
    width: 100%; 
    max-width: 950px; 
    background: var(--card); 
    padding: 40px; 
    border-radius: 24px; 
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

h1 { 
    text-align: center; 
    font-weight: 800; 
    background: linear-gradient(90deg, #fff, #5865f2); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    margin-bottom: 30px; 
}

/* --- SEKME YÖNETİMİ --- */
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease-in-out; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.tabs { display: flex; gap: 10px; background: rgba(0,0,0,0.4); padding: 6px; border-radius: 16px; margin-bottom: 30px; }
.tab-btn { flex: 1; background: none; border: none; color: #8e8e93; font-weight: 600; cursor: pointer; padding: 14px; border-radius: 12px; transition: 0.3s; }
.tab-btn.active { background: var(--primary); color: white; box-shadow: 0 4px 15px rgba(88, 101, 242, 0.3); }

/* --- İSTATİSTİK KARTLARI (YUVARLANMIŞ BARLI) --- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 30px; }

.stat-card { 
    background: var(--input-bg); 
    padding: 25px 15px; 
    border-radius: 20px; 
    text-align: center; 
    border: 1px solid var(--border); 
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.stat-val { font-size: 28px; font-weight: 800; color: white; line-height: 1; margin-bottom: 5px; }
.stat-label { font-size: 11px; color: #8e8e93; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }

/* Kelimelerin Altındaki Yuvarlanmış Neon Bar */
.stat-card::after { 
    content: ''; 
    display: block;
    width: 50%; /* Yazının genişliğiyle uyumlu olması için %50 ideal */
    height: 5px; 
    background: var(--accent-color, var(--primary)); 
    border-radius: 50px; 
    box-shadow: 0 0 15px var(--accent-color, var(--primary));
    opacity: 0.7;
    transition: all 0.3s ease;
}

.stat-card:hover { border-color: var(--accent-color, var(--primary)); transform: translateY(-5px); }
.stat-card:hover::after { width: 70%; opacity: 1; box-shadow: 0 0 25px var(--accent-color, var(--primary)); }

/* --- FORM ELEMANLARI --- */
.section-box { background: rgba(0,0,0,0.15); padding: 25px; border-radius: 20px; border: 1px solid var(--border); margin-bottom: 25px; }
textarea { width: 100%; height: 120px; background: var(--input-bg); color: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 15px; font-family: 'JetBrains Mono', monospace; font-size: 13px; outline: none; }
textarea:focus { border-color: var(--primary); }

.btn { width: 100%; padding: 16px; border: none; border-radius: 14px; color: white; font-weight: 700; cursor: pointer; margin-top: 10px; background: var(--primary); font-size: 14px; transition: 0.2s; }
.btn:hover { filter: brightness(1.2); transform: translateY(-2px); }

/* --- PERSONEL SATIRLARI --- */
.row { display: flex; align-items: center; background: rgba(255,255,255,0.02); margin-bottom: 8px; padding: 12px 20px; border-radius: 14px; border: 1px solid transparent; }
.row:hover { background: rgba(255,255,255,0.04); border-color: var(--border); }
.name { flex: 1; font-weight: 600; font-size: 14px; color: #fff; }

.opts { display: flex; gap: 6px; }
.opts input { display: none; }
.opts label { cursor: pointer; padding: 8px 14px; border-radius: 10px; background: #2b2d31; font-size: 10px; font-weight: 800; color: #8e8e93; transition: 0.3s; text-transform: uppercase; }

input[value="gelen"]:checked + label { background: var(--success); color: white; box-shadow: 0 0 12px rgba(35, 165, 89, 0.4); }
input[value="mazeret"]:checked + label { background: var(--warning); color: black; box-shadow: 0 0 12px rgba(240, 178, 50, 0.4); }
input[value="izinli"]:checked + label { background: var(--info); color: white; box-shadow: 0 0 12px rgba(0, 168, 252, 0.4); }
input[value="yok"]:checked + label { background: var(--danger); color: white; box-shadow: 0 0 12px rgba(242, 63, 66, 0.4); }

/* --- REHBER --- */
.guide-container { display: flex; flex-direction: column; gap: 20px; }
.guide-card { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border); padding: 25px; border-radius: 16px; }
.guide-card h3 { margin-top: 0; color: var(--primary); font-size: 18px; margin-bottom: 10px; }
.code-block { background: #000; padding: 15px; border-radius: 12px; margin: 15px 0; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #43b581; border: 1px solid var(--border); white-space: pre-wrap; word-break: break-all; }

/* --- TOAST BİLDİRİMLERİ --- */
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.toast {
    background: var(--card);
    color: var(--text);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-left: 4px solid var(--primary);
    font-weight: 600;
    font-size: 14px;
    animation: slideInRight 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards, fadeOut 0.3s ease-in 2.7s forwards;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

/* --- GÜN SONU FORMLARI --- */
input[type="date"], input[type="number"], input[type="text"], select {
    outline: none;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    box-sizing: border-box;
}
input[type="date"]:focus, input[type="number"]:focus, input[type="text"]:focus, select:focus {
    border-color: var(--primary) !important;
}
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

/* İZİN SİSTEMİ */
.izin-date {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.1);
    color: #8e8e93;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 11px;
    margin-right: 15px;
    transition: 0.3s;
    width: 120px;
}
.izin-date:focus, .izin-date:valid {
    color: var(--warning);
    border-color: var(--warning) !important;
}