/* style.css - تصميم عام للنظام */

:root {
  --primary: #3498db;
  --primary-dark: #2980b9;
  --secondary: #2c3e50;
  --success: #27ae60;
  --danger: #e74c3c;
  --warning: #f39c12;
  --header-bg: linear-gradient(90deg, #3498db 0%, #764ba2 100%);
  --nav-bg: linear-gradient(90deg, #00509e 0%, #003366 100%);
  --table-header: #e6ebf1;
  --table-row-alt: #f9f9f9;
  --table-row-hover: #e3f2fd;
  --shadow: 0 4px 16px rgba(52, 152, 219, 0.10);
}

body {
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: #f0f2f5;
  margin: 0;
  direction: rtl;
}

header {
  background: var(--header-bg);
  color: #fff;
  padding: 22px 0 18px 0;
  text-align: center;
  border-radius: 0 0 18px 18px;
  box-shadow: var(--shadow);
  letter-spacing: 1px;
}

nav {
  background: var(--nav-bg);
  overflow: hidden;
  padding: 10px 16px;
  box-shadow: var(--shadow);
  border-radius: 0 0 12px 12px;
}

nav a, .nav-btn {
  float: right;
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 8px;
  margin-left: 8px;
  font-weight: 500;
  background: rgba(255,255,255,0.08);
  box-shadow: 0 2px 8px rgba(52,152,219,0.07);
  transition: background 0.3s, box-shadow 0.3s, transform 0.2s;
}

nav a:hover, nav a.active, .nav-btn:hover {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(52,152,219,0.15);
  transform: translateY(-2px) scale(1.04);
}

.container {
  max-width: 1100px;
  margin: 28px auto;
  background: #fff;
  padding: 28px 22px;
  box-shadow: var(--shadow);
  border-radius: 16px;
}

h1, h2, h3, h4 {
  color: var(--primary-dark);
  margin-top: 0;
  letter-spacing: 0.5px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 22px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(44,62,80,0.04);
  border-radius: 10px;
  overflow: hidden;
}

table, th, td {
  border: 1px solid #d0d7de;
}

th, td {
  padding: 12px 8px;
  text-align: center;
  font-size: 15px;
}

th {
  background: var(--table-header);
  color: var(--secondary);
  font-weight: bold;
  letter-spacing: 0.5px;
}

tr:nth-child(even) {
  background: var(--table-row-alt);
}

tr:hover {
  background: var(--table-row-hover) !important;
  transition: background 0.2s;
}

tr.zero {
  background-color: #f8d7da !important;
}

.zero {
  color: var(--danger) !important;
  font-weight: bold;
}

button,
input[type="submit"],
select,
input[type="date"],
input[type="number"],
input[type="text"] {
  padding: 10px 16px;
  margin: 6px 0;
  border: 1px solid #bfc9d1;
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
  background: #f8fafc;
  transition: border 0.2s, box-shadow 0.2s;
}

input[type="submit"],
button {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  cursor: pointer;
  border: none;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(52,152,219,0.10);
}

input[type="submit"]:hover,
button:hover {
  background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
  box-shadow: 0 4px 16px rgba(52,152,219,0.15);
}

input:focus, select:focus {
  outline: none;
  border: 1.5px solid var(--primary);
  box-shadow: 0 0 0 2px #e3f2fd;
}

.filter-form label {
  margin-right: 14px;
  font-weight: bold;
  display: inline-block;
  margin-bottom: 7px;
}

.footer-credit {
  text-align: center;
  font-size: 13px;
  color: #666;
  padding: 12px 0;
  border-top: 1px solid #ddd;
  margin-top: 36px;
  letter-spacing: 0.5px;
}

.summary p {
  font-weight: bold;
  margin: 10px 0;
}

.actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.back-btn {
  background: linear-gradient(90deg, #6c757d 0%, #495057 100%);
  text-decoration: none;
  color: #fff;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: bold;
  box-shadow: 0 4px 8px rgba(0,0,0,0.12);
  transition: background 0.2s, box-shadow 0.2s;
}

.back-btn:hover {
  background: linear-gradient(90deg, #495057 0%, #6c757d 100%);
  box-shadow: 0 6px 16px rgba(44,62,80,0.13);
}

.totals {
  margin: 24px 0;
  background: #f8fafc;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(44,62,80,0.04);
  padding: 18px 12px;
}

.totals h3 {
  margin-bottom: 10px;
  color: var(--primary-dark);
}

.totals table {
  width: auto;
  border-collapse: collapse;
  background: #fff;
}

.totals th, .totals td {
  border: 1px solid #ccc;
  padding: 8px 16px;
  text-align: center;
}

.totals th {
  background-color: #f0f0f0;
}

@media (max-width: 768px) {
  nav a, .nav-btn {
    float: none;
    display: block;
    text-align: right;
    margin-left: 0;
    margin-bottom: 8px;
  }

  .container {
    padding: 12px 4px;
  }

  table, th, td {
    font-size: 13px;
  }
}