/* ============================================
   MOBILIUS SANAL POS - ORTAK TEMA
   Tüm sayfalar bu değişkenleri kullanır.
   ============================================ */

:root {
    /* Arka plan katmanları */
    --bg-color: #0f172a;          /* Ana arka plan */
    --bg-elevated: #1e293b;       /* Kart, panel arkaplanı */
    --bg-input: #0f172a;          /* Input arkaplanı */
    --bg-hover: #273449;          /* Hover durumu */
    
    /* Sınır */
    --border-color: #334155;
    --border-soft: rgba(255,255,255,0.05);
    
    /* Metin */
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    /* Marka rengi (Mavi) */
    --brand: #0e428a;
    --brand-hover: #154080;
    --brand-light: #1d4ed8;
    --brand-soft: rgba(14, 66, 138, 0.15);
    --focus-ring: rgba(14, 66, 138, 0.25);
    
    /* Aksent renkler */
    --accent-cyan: #0ea5e9;
    --accent-cyan-soft: rgba(14, 165, 233, 0.1);
    
    /* Durum renkleri */
    --success: #10b981;
    --success-soft: rgba(16, 185, 129, 0.1);
    --error: #ef4444;
    --error-soft: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-soft: rgba(245, 158, 11, 0.1);
    --info: #3b82f6;
    --info-soft: rgba(59, 130, 246, 0.1);
    
    /* Tipografi */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Shadow */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    
    /* Transition */
    --transition: all 0.2s ease;
}

/* === RESET === */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }

/* === BUTONLAR === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { height: 34px; padding: 0 12px; font-size: 13px; }
.btn-lg { height: 48px; padding: 0 20px; font-size: 15px; }

.btn-primary {
    background: linear-gradient(135deg, var(--brand), var(--brand-hover));
    color: #fff;
    box-shadow: 0 4px 12px rgba(14, 66, 138, 0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(14, 66, 138, 0.4); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-warning { background: var(--warning); color: #1a1a1a; }
.btn-warning:hover { background: #d97706; }

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.btn-secondary:hover { background: var(--bg-hover); }

.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-main); }

.btn-outline-primary { background: transparent; border: 1px solid var(--brand); color: var(--brand-light); }
.btn-outline-primary:hover { background: var(--brand-soft); }

.btn-outline-danger { background: transparent; border: 1px solid var(--error); color: var(--error); }
.btn-outline-danger:hover { background: var(--error-soft); }

.btn-block { width: 100%; }

/* === KARTLAR === */
.card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 15px;
}
.card-body { padding: 20px; }
.card-header.accent-primary { background: linear-gradient(90deg, var(--brand), var(--brand-hover)); border-bottom: none; color: #fff; }
.card-header.accent-warning { background: var(--warning); color: #1a1a1a; border-bottom: none; }

/* === FORM === */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}
.form-control:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px var(--focus-ring);
}
.form-control::placeholder { color: var(--text-dim); }

textarea.form-control { height: auto; padding: 12px 14px; resize: vertical; }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2394a3b8%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 12px top 50%;
    background-size: 10px auto;
    padding-right: 32px;
}

/* === TABLO === */
.table-wrapper {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.table-responsive { overflow-x: auto; }

table.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
table.data-table th {
    padding: 14px 16px;
    background: var(--bg-input);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}
table.data-table td {
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle;
}
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: rgba(255,255,255,0.02); }
table.data-table .text-end { text-align: right; }

/* === BADGE === */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-error, .badge-danger { background: var(--error-soft); color: var(--error); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-primary { background: var(--brand-soft); color: #60a5fa; }
.badge-secondary { background: rgba(148, 163, 184, 0.15); color: var(--text-muted); }
.badge-dark { background: rgba(0,0,0,0.4); color: var(--text-muted); }

/* === ALERT === */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}
.alert-success { background: var(--success-soft); border-color: rgba(16,185,129,0.2); color: var(--success); }
.alert-danger, .alert-error { background: var(--error-soft); border-color: rgba(239,68,68,0.2); color: var(--error); }
.alert-warning { background: var(--warning-soft); border-color: rgba(245,158,11,0.2); color: var(--warning); }
.alert-info { background: var(--info-soft); border-color: rgba(59,130,246,0.2); color: #60a5fa; }
.alert-close { margin-left: auto; background: transparent; border: none; color: inherit; cursor: pointer; opacity: 0.7; font-size: 18px; }
.alert-close:hover { opacity: 1; }

/* === MODAL === */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-title { margin: 0; font-size: 17px; font-weight: 600; }
.modal-body { padding: 20px; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--border-color); display: flex; gap: 10px; justify-content: flex-end; }

/* === UTILITY === */
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error, .text-danger { color: var(--error); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.fw-bold { font-weight: 600; }
.font-mono { font-family: var(--font-mono); }
.text-center { text-align: center; }
.text-end { text-align: right; }
.d-flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }