:root {
    --military-dark: #2a332a;
    --military-green: #2d3c2b;
    --military-light: #445842;
    --tactical-accent: #d4c593; /* Khaki/Sand */
    --tactical-accent-hover: #ebe1be;
    --text-primary: #e6ece4;
    --text-muted: #859681;
    --danger: #d32f2f;
    --glow: rgba(212, 197, 147, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--military-dark);
    background-image: url('../images/bg.png'), radial-gradient(circle at 50% 50%, #3a4b3a 0%, #1e261e 100%);
    background-blend-mode: overlay;
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    position: relative;
}

/* Subtle tactical grid */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
    z-index: 1;
}

.login-container {
    background: rgba(38, 48, 38, 0.85);
    border: 1px solid var(--military-light);
    border-top: 3px solid var(--tactical-accent);
    padding: 45px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), inset 0 0 25px rgba(0,0,0,0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative;
    z-index: 2;
}

/* Tactical Corner Decorations */
.corner {
    position: absolute;
    width: 15px;
    height: 15px;
    border: 2px solid var(--tactical-accent);
    opacity: 0.6;
}

.top-left { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.top-right { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.bottom-left { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.bottom-right { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.emblem {
    color: var(--tactical-accent);
    margin-bottom: 15px;
    display: inline-flex;
    padding: 12px;
    border: 1px solid var(--military-light);
    border-radius: 50%;
    background: rgba(52, 72, 50, 0.2);
    box-shadow: 0 0 15px var(--glow);
}

.login-header h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 26px;
    letter-spacing: 4px;
    color: var(--text-primary);
    margin-bottom: 6px;
    text-transform: uppercase;
}

.login-header p {
    font-size: 12px;
    color: var(--tactical-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.8;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-family: 'Oswald', sans-serif;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper .icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    display: flex;
}

.input-group input, .input-group select, .input-group textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--military-light);
    padding: 14px 15px 14px 45px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Roboto', sans-serif;
    transition: all 0.3s ease;
    outline: none;
}

.input-group select {
    padding-left: 15px;
}

.input-group select option {
    background: var(--military-dark);
    color: var(--text-primary);
}

.input-group input:focus, .input-group select:focus, .input-group textarea:focus {
    border-color: var(--tactical-accent);
    background: rgba(0, 0, 0, 0.7);
    box-shadow: 0 0 12px var(--glow);
}

.input-group input:focus + .icon,
.input-group input:focus ~ .icon {
    color: var(--tactical-accent);
}

.input-group input::placeholder, .input-group textarea::placeholder {
    color: rgba(133, 150, 129, 0.4);
    font-size: 13px;
}

.form-actions {
    margin-top: 10px;
}

.btn-login, .btn-action {
    width: 100%;
    background: var(--military-light);
    color: #fff;
    border: 1px solid var(--military-light);
    padding: 16px;
    font-family: 'Oswald', sans-serif;
    font-size: 15px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.btn-login .arrow {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.btn-login:hover, .btn-action:hover {
    background: var(--tactical-accent);
    color: var(--military-dark);
    border-color: var(--tactical-accent);
    box-shadow: 0 0 20px rgba(212, 197, 147, 0.4);
}

.btn-login:hover .arrow {
    transform: translateX(4px);
}

.btn-login:active, .btn-action:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: rgba(0, 0, 0, 0.3);
    color: var(--tactical-accent);
    border: 1px solid var(--tactical-accent);
}

.btn-secondary:hover {
    background: rgba(212, 197, 147, 0.1);
    color: var(--tactical-accent);
    box-shadow: 0 0 15px rgba(212, 197, 147, 0.2);
}

.register-link {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: var(--tactical-accent);
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
    font-size: 13px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.register-link:hover {
    color: #fff;
    text-decoration: underline;
    text-shadow: 0 0 10px var(--tactical-accent);
}

.alert-error {
    background: rgba(211, 47, 47, 0.15);
    border: 1px solid var(--danger);
    color: #ff6b6b;
    padding: 12px 15px;
    margin-top: 15px;
    text-align: center;
    font-size: 13px;
    border-radius: 4px;
}
.alert-success {
    background: rgba(76, 175, 80, 0.15);
    border: 1px solid #4caf50;
    color: #4caf50;
    padding: 12px 15px;
    margin-top: 15px;
    text-align: center;
    font-size: 13px;
    border-radius: 4px;
}

/* ========================================= */
/* DASHBOARD LAYOUT                          */
/* ========================================= */
body.dashboard-mode {
    display: block;
    height: auto;
    min-height: 100vh;
}

.dashboard-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: rgba(30, 38, 30, 0.95);
    border-right: 1px solid var(--military-light);
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 10;
}

.sidebar-header {
    padding: 35px 20px 25px;
    border-bottom: 1px solid var(--military-light);
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar-header .emblem {
    margin-bottom: 0;
    padding: 8px;
}

.sidebar-header h3 {
    font-family: 'Oswald', sans-serif;
    color: var(--text-primary);
    font-size: 16px;
    letter-spacing: 1px;
}

.user-info {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(68, 88, 66, 0.5);
    background: rgba(0,0,0,0.2);
}

.avatar {
    width: 45px;
    height: 45px;
    background: var(--military-light);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--tactical-accent);
    border: 2px solid var(--tactical-accent);
    flex-shrink: 0;
}

.user-info .details {
    display: flex;
    flex-direction: column;
    gap: 3px;
    overflow: hidden;
}

.user-info .nrp {
    color: var(--text-primary);
    font-size: 14px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-info .role {
    color: var(--text-muted);
    font-size: 11px;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.sidebar-nav {
    flex: 1;
    padding: 15px 0;
    display: flex;
    flex-direction: column;
}

.nav-item {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
    font-size: 14px;
    letter-spacing: 1.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 3px solid transparent;
}

.nav-item svg {
    opacity: 0.8;
    color: var(--tactical-accent);
}

.nav-item:hover {
    background: rgba(163, 177, 138, 0.1);
    color: #fff;
    border-left-color: var(--tactical-accent);
}

.nav-item:hover svg {
    opacity: 1;
    transform: scale(1.1);
    filter: drop-shadow(0 0 5px var(--tactical-accent));
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(163, 177, 138, 0.15) 0%, transparent 100%);
    color: #fff;
    border-left-color: var(--tactical-accent);
    text-shadow: 0 0 10px rgba(163, 177, 138, 0.3);
}

.nav-item.active svg {
    opacity: 1;
    color: var(--tactical-accent);
    filter: drop-shadow(0 0 8px var(--tactical-accent));
}

.sidebar-footer {
    padding: 15px 0;
    border-top: 1px solid var(--military-light);
}

.nav-item.logout {
    color: #ff6b6b;
}

.nav-item.logout:hover {
    background: rgba(211, 47, 47, 0.1);
    border-left-color: #ff6b6b;
    color: #ff6b6b;
}

.main-content {
    flex: 1;
    padding: 30px 40px;
    background: radial-gradient(circle at 10% 20%, rgba(52, 72, 50, 0.15) 0%, transparent 50%),
                rgba(30, 38, 30, 0.4);
    overflow-y: auto;
    position: relative;
    backdrop-filter: blur(5px);
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--military-light);
}

.top-header h2 {
    font-family: 'Oswald', sans-serif;
    letter-spacing: 2px;
    color: var(--tactical-accent);
    font-size: 24px;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Oswald', sans-serif;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4caf50;
    border-radius: 50%;
    box-shadow: 0 0 10px #4caf50;
    animation: blink 2s infinite;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.tactical-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px 20px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.tactical-card::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transition: 0.5s;
}

.tactical-card:hover::after {
    left: 100%;
}

.tactical-card:hover {
    border-color: var(--tactical-accent);
    box-shadow: 0 0 20px rgba(212, 197, 147, 0.1);
    transform: translateY(-2px);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: rgba(68, 88, 66, 0.3);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--tactical-accent);
}

.card-icon.success { color: #4caf50; }
.card-icon.warning { color: #ffca28; }
.card-icon.error { color: #d32f2f; }

.card-info h3 {
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.card-info .value {
    font-size: 28px;
    font-family: 'Oswald', sans-serif;
    color: var(--text-primary);
    line-height: 1;
}

.recent-activity {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--military-light);
    padding: 25px;
    position: relative;
}

.recent-activity h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 16px;
    letter-spacing: 1px;
    color: var(--tactical-accent);
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(68, 88, 66, 0.5);
    padding-bottom: 10px;
}

.tactical-table {
    width: 100%;
    border-collapse: collapse;
}

.tactical-table th, .tactical-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(68, 88, 66, 0.3);
}

.tactical-table th {
    font-family: 'Oswald', sans-serif;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
    background: rgba(0,0,0,0.3);
}

.tactical-table tr:hover td {
    background: rgba(68, 88, 66, 0.1);
}

.btn-action.small {
    width: auto;
    padding: 8px 15px;
    font-size: 12px;
    display: inline-flex;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-overlay.active { display: flex; }
.modal-content {
    background: #1e261e;
    border: 1px solid var(--tactical-accent);
    padding: 30px;
    width: 100%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 0 30px rgba(0,0,0,0.9);
}
.modal-content h3 { color: var(--tactical-accent); font-family: 'Oswald'; margin-bottom: 20px;}
.close-modal { position: absolute; top: 15px; right: 20px; color: #fff; cursor: pointer; font-size: 20px; }

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
}
.badge.success { background: rgba(76, 175, 80, 0.1); color: #4caf50; border: 1px solid rgba(76, 175, 80, 0.3); }
.badge.warning { background: rgba(255, 202, 40, 0.1); color: #ffca28; border: 1px solid rgba(255, 202, 40, 0.3); }
.badge.error { background: rgba(211, 47, 47, 0.1); color: #d32f2f; border: 1px solid rgba(211, 47, 47, 0.3); }

/* Responsive adjustments */
@media (max-width: 768px) {
    .dashboard-container { flex-direction: column; height: auto; }
    .sidebar { width: 100%; height: auto; }
    .dashboard-body { overflow: auto; }
    .main-content { overflow-y: visible; }
}

/* PDF Printing Styles */
.printing-pdf {
    background: #fff !important;
    color: #000 !important;
}
.printing-pdf * {
    color: #000 !important;
    border-color: #000 !important;
}
.printing-pdf .hide-on-print {
    display: none !important;
}
.printing-pdf .tactical-table {
    border-collapse: collapse;
    width: 100%;
}
.printing-pdf .tactical-table th,
.printing-pdf .tactical-table td {
    border: 1px solid #000 !important;
    padding: 8px;
    background: none !important;
}
.printing-pdf .badge {
    border: 1px solid #000 !important;
    background: none !important;
    color: #000 !important;
}