html, body {
  height: 100%; min-height: 100%;
  font-family: 'Mulish', Arial, "Segoe UI", Helvetica, sans-serif;
  background: linear-gradient(130deg,#191b20 75%,#20222b 100%);
  color: #f1f5ff;
}
.glass-navbar {
  background: rgba(44,48,61,0.82);
  border-radius: 0 0 17px 17px;
  box-shadow: 0 2.5px 36px rgba(44,48,61,0.22);
  padding: 0.6em 0;
  margin-bottom: 1.6em;
  border-bottom: 1px solid rgba(94,110,200,0.13);
  min-height:64px;
  z-index: 2;
}
.navbar-brand { font-weight: 900; font-size: 1.5em; letter-spacing:3.5px; color: #a3d0ff !important; z-index: 2;}
.glass-card, .glass-form, .glass-input, .glass-btn {
    background: rgba(33,37,47,0.74);
    box-shadow: 0 8px 32px 0 rgba(42,48,140,0.13);
    border-radius: 18px;
    border: 1px solid rgba(153,163,180,0.17);
    backdrop-filter: blur(8px);
    transition: box-shadow .24s, background .22s;
    z-index: 2;
}
.glass-card:hover, .glass-form:focus-within {
    box-shadow: 0 14px 36px 0 rgba(114,134,255,0.15), 0 2px 12px 0 rgba(104,108,255,0.12);
    background: rgba(44,52,82,0.90);
}
.card-header {
    font-weight: 800;font-size: 1.1em; letter-spacing: 0.6px;
    background: transparent;border-bottom: none;
    padding-left: 10px;
    color: #a3d0ff;
}
.card-header h2 {
    color: #a3d0ff;
}
input, select, textarea, .glass-input, .form-control {
    background: rgba(38,44,61,.82) !important;
    color: #f3f8fc !important;border: none;
    border-radius: 13px !important;
    padding: 0.7em 1.1em; font-size: 1.1em; outline: none;
    border: 1.5px solid rgba(94,110,200,0.13);
    box-shadow: 0 1px 2px 0 rgba(32,50,110,.15);
    transition: box-shadow .18s, background .18s;
}
input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 0 2px #54a5ff55 !important;
    background: rgba(44,54,99,.95) !important;
}
.form-check-label, .nav-link { color: #e4e7fa !important;}
.btn, .glass-btn {
    background: linear-gradient(90deg,#4261ff 0,#5fc7fa 100%) !important;
    color: #fff !important;
    border: none;
    font-weight: 700;
    border-radius: 12px !important;
    padding: 0.55em 1.5em;
    box-shadow: 0 4px 14px rgba(64,90,255,.13);
    text-shadow: 0 1px 1px #3e3e7c33;
    transition: filter .22s, box-shadow .2s, background .2s;
    text-decoration: none;
}
.btn-danger{ background: #e05151 !important;}
.btn:hover, .glass-btn:hover { filter: brightness(1.12);}
.icon-btn { background: none; border:none; color:#67d8ff;font-size:1.4em;}
.icon-btn:hover { color:#ff4665;}
.card-body {
    padding-left: 10px;
    padding-bottom: 10px;
}
.card-body h4, .card-body h3, .card-body h5 {
    color: #c9dcff;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
}
.card-body .card-text {
    color: #f1f5ff;
}
.card-footer, .glass-footer {
    background: rgba(27,31,44,0.62);border-top: none;color: #c5d0ff;
    font-size: 1.01em; border-radius:0 0 17px 17px !important;
}
@keyframes glassIn { from {opacity:0;transform:translateY(24px);} to {opacity:1;transform: none;}}
.glass-card, .glass-form { animation: glassIn .65s cubic-bezier(.5,1.8,.5,1) both;}
::-webkit-input-placeholder, ::placeholder { color:#c7d0ff !important;}
code, pre { background:#1d2231 !important;color:#c3ccff !important;padding:2px 5px;border-radius:6px;}
.glass-heading {font-size:2.2em;font-weight:800;margin-bottom:1.1em;color:#a3d0ff;text-shadow: 0 3px 30px #242c48;}
.badge, .bg-primary, .bg-info {border-radius:7px;padding:.3em .75em;font-weight:700;font-size:.95em;}

input[type="file"] {
    display: block;
    padding: 10px;
    background: rgba(38,44,61,.82) !important;
    color: #f3f8fc !important;
    border: none;
    border-radius: 13px !important;
    font-size: 1.1em; 
    cursor: pointer;
    border: 1.5px solid rgba(94,110,200,0.13);
    box-shadow: 0 1px 2px 0 rgba(32,50,110,.15);
}

input[type="file"]:hover,
input[type="file"]:focus {
    background: rgba(44,54,99,.95) !important;
    color: #f3f8fc !important;
    box-shadow: 0 0 0 2px #54a5ff55 !important;
}

input[type="file"]::-webkit-file-upload-button {
    background: rgba(76,90,140,.75) !important;
    color: white !important;
    padding: 0.3em 0.9em;
    border: none !important;
    border-radius: 10px;
    margin-right: 10px;
    cursor: pointer;
    transition: all 0.2s;
    margin-left: -7px;
}

input[type="file"]::-webkit-file-upload-button:hover {
    background: rgba(96,110,170,.85) !important;
    color: white !important;
}

input[type="file"]::file-selector-button {
    background: rgba(76,90,140,.75) !important;
    color: white !important;
    padding: 0.3em 0.9em;
    border: none !important;
    border-radius: 10px;
    margin-right: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

input[type="file"]::file-selector-button:hover {
    background: rgba(96,110,170,.85) !important;
    color: white !important;
}
    
a.btn-glass, .btn-glass {
  display: flex; align-items: center; justify-content: center;
  text-decoration: none !important;
  background: linear-gradient(90deg,#4261ff 0,#5fc7fa 100%);
  box-shadow: 0 4px 14px rgba(64,90,255,.13);
  color: #fff !important;
  border: none;
  font-weight: 700;
  border-radius: 12px;
  font-size: 1.2em;
  padding: 0.7em 2.4em;
  transition: filter .20s, box-shadow .18s, background .18s;
  text-decoration: none;
}
a.btn-glass:hover, .btn-glass:hover { filter: brightness(1.13);}

/* Improved table styles for better visibility */
.table {
    color: #e4eaff;
}
.table thead th {
    color: #a3d0ff;
    border-bottom: 2px solid rgba(94,110,200,0.3);
}
.table td {
    border-top: 1px solid rgba(94,110,200,0.15);
}
.table-responsive {
    background: rgba(30,34,44,0.5);
    border-radius: 10px;
    padding: 5px;
    margin-bottom: 1rem;
}

/* Improved alert styles for better visibility */
.alert {
    color: #e4eaff;
}
.alert-info {
    background-color: rgba(54,84,145,0.5);
    border-color: rgba(64,94,200,0.3);
}
.alert-warning {
    background-color: rgba(145,114,54,0.5);
    border-color: rgba(200,174,64,0.3);
    color: #f5f0e0;
}
.alert-success {
    background-color: rgba(54,145,84,0.5);
    border-color: rgba(64,200,124,0.3);
    color: #e0f5e8;
}

.small {
    color: #b5c4ff !important;
}
.text-muted {
    color: #b5c4ff !important;
}

/* Улучшенные стили для чекбоксов */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    position: relative;
    padding-left: 0;
}

.form-check-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.form-check-label {
    position: relative;
    cursor: pointer;
    padding-left: 35px;
    font-size: 1.1em;
    display: inline-block;
    line-height: 1.5;
    user-select: none;
}

.form-check-label:before {
    content: '';
    position: absolute;
    left: 0;
    top: 2px;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: rgba(38,44,61,0.9);
    border: 1px solid rgba(94,110,200,0.3);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.2s ease;
}

.form-check-input:checked + .form-check-label:before {
    background: linear-gradient(90deg,#4261ff 0,#5fc7fa 100%);
    border-color: transparent;
    box-shadow: 0 0 10px rgba(66,97,255,0.3);
}

.form-check-label:after {
    content: '';
    position: absolute;
    left: 9px;
    top: 6px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    opacity: 0;
    transform: rotate(45deg) scale(0);
    transition: all 0.2s cubic-bezier(0.3, 1.5, 0.7, 1);
}

.form-check-input:checked + .form-check-label:after {
    opacity: 1;
    transform: rotate(45deg) scale(1);
}

.form-check-input:focus + .form-check-label:before {
    box-shadow: 0 0 0 3px rgba(84,165,255,0.3);
}

.form-check-input:hover:not(:checked) + .form-check-label:before {
    background: rgba(44,54,99,0.95);
}

.form-check-input:disabled + .form-check-label {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-check-input:disabled + .form-check-label:before {
    background: rgba(38,44,61,0.5);
    border-color: rgba(94,110,200,0.1);
}

/* Для поддержки различных размеров экрана */
@media (max-width: 768px) {
    .form-check-label {
        font-size: 1em;
        padding-left: 30px;
    }
    
    .form-check-label:before {
        width: 20px;
        height: 20px;
    }
    
    .form-check-label:after {
        left: 7px;
        top: 5px;
        width: 5px;
        height: 10px;
    }
}