*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-decoration: none;
}

html {
  font-size: 16px; 
  scroll-behavior: smooth;
}

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: #f4f7fb;
  color: #333;
  min-height: 100vh;
  display: flex;
  align-items: flex-start; 
  justify-content: center;
  padding: 2rem 0;
  background-image: url(../img/phone2.jpg);
}

:root {
  --clr-primary: #0066ff;
  --clr-primary-dark: #004bbb;
  --clr-secondary: #6c757d;
  --clr-success: #28a745;
  --clr-error: #dc3545;
  --clr-bg-card: #ffffff;
  --clr-bg-input: #fafafa;
  --clr-bg-header: #ffffff;
  --clr-border: #e0e0e0;
  --clr-bg-loading: #f0f0f0;
  --radius: 8px;
  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.25s ease;
}


.container {
  width: 100%;
  max-width: 960px; 
  padding: 0 1rem;
}

.card {
  background: var(--clr-bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 2rem 1.5rem;
  margin-top: 1rem;
}


.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--clr-bg-header);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-top: 1rem;
}


.logo-small {
  width: 40px;
  height: 40px;
  background: var(--clr-primary);
  border-radius: 50%;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.btn-logout {
  background: transparent;
  border: 1px solid var(--clr-primary);
  color: var(--clr-primary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}
.btn-logout:hover {
  background: var(--clr-primary);
  color: #fff;
}


.back-link {
  margin-bottom: 0.5rem;
}
.btn-back {
  display: inline-block;
  background: transparent;
  border: none;
  color: var(--clr-primary);
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.btn-back:hover {
  color: var(--clr-primary-dark);
}


h2,
h3 {
  text-align: center;
  margin-bottom: 1rem;
  color: #555;
}
h2 {
  font-size: 1.4rem;
}
h3 {
  font-size: 1.2rem;
}


form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.input-group label {
  font-size: 0.9rem;
  color: #555;
}

.input-group input,
.input-group textarea,
.input-group select {
  width: 100%;
  padding: 0.55rem 0.9rem;
  font-size: 0.95rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-bg-input);
  transition: var(--transition);
}
.input-group textarea {
  resize: vertical;
}


.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--clr-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}


.btn {
  display: inline-block;
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}


.btn-primary {
  background: var(--clr-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
}


.btn-secondary {
  background: var(--clr-secondary);
  color: #fff;
}
.btn-secondary:hover {
  background: #5a6268;
}


.btn-block {
  width: 100%;
}

.requests-list {
  margin-top: 1.5rem;
}
.requests-list h3 {
  text-align: left;
  margin-bottom: 0.75rem;
}


.requests-container {
  display: grid;
  gap: 1rem;
}


@media (min-width: 600px) {
  .requests-container {
    grid-template-columns: repeat(2, 1fr);
  }
}


.request-card {
  background: var(--clr-bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.request-card .status {
  font-weight: 600;
  color: var(--clr-primary);
}
.request-card .date,
.request-card .time {
  font-size: 0.85rem;
  color: #777;
}

.loading {
  text-align: center;
  padding: 1rem;
  color: #555;
  background: var(--clr-bg-loading);
  border-radius: var(--radius);
}


.admin-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}
.stat-card {
  flex: 1 1 150px;
  background: var(--clr-bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 1rem;
  text-align: center;
  font-size: 1rem;
  font-weight: 500;
}

@keyframes slideUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
.animate-slideUp {
  animation: slideUp 0.6s var(--transition) forwards;
}
.animate-fadeIn {
  animation: fadeIn 0.6s var(--transition) forwards;
}


@media (max-width: 480px) {
  .header,
  .card,
  .dashboard-actions,
  .admin-stats {
    padding: 1rem;
  }
  .btn {
    font-size: 0.9rem;
  }
  .stat-card {
    font-size: 0.9rem;
  }
}


@media (prefers-color-scheme: dark) {
  :root {
    --clr-bg-card: #1e1e1e;
    --clr-bg-input: #2a2a2a;
    --clr-bg-header: #1e1e1e;
    --clr-bg-loading: #2a2a2a;
    --clr-border: #444;
    --clr-primary: #3399ff;
    --clr-primary-dark: #2277dd;
    --clr-secondary: #6c757d;
    --clr-error: #ff6b6b;
  }
  body {
    background: #121212;
    color: #e0e0e0;
  }
  .header,
  .card,
  .stat-card,
  .request-card,
  .loading {
    background: var(--clr-bg-card);
  }
  .input-group input,
  .input-group textarea,
  .input-group select {
    background: var(--clr-bg-input);
    color: #e0e0e0;
    border-color: var(--clr-border);
  }
  .btn-logout,
  .btn-primary,
  .btn-secondary {
    color: #fff;
  }
  .btn-logout {
    border-color: var(--clr-primary);
  }
}

select {
  appearance: none; 
  -webkit-appearance: none;
  -moz-appearance: none;
  font-size: 16px;
  border: 2px solid #0056B3;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  background-repeat: no-repeat;
  border-color: #0056B3;
  background-color: #FFFFFF;
  padding: 10px;
  border-color: #004bbb;
}