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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #0f0f23;
    color: #e0e0e0;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    padding: 20px;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

    .sidebar-header h2 {
        color: #fff;
        font-size: 1.5rem;
        font-weight: 700;
        background: linear-gradient(to right, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

.nav-menu {
    list-style: none;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

    .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
        transform: translateX(5px);
    }

    .nav-link.active {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: #fff;
    }

    .nav-link i {
        font-size: 1.2rem;
        width: 30px;
    }

/* Main content */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
    background: #0f0f23;
}

/* Header */
.header {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-title h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #fff;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    text-align: right;
}

.user-name {
    color: #fff;
    font-weight: 500;
}

.user-role {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

.btn-logout {
    padding: 8px 20px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

    .btn-logout:hover {
        background: rgba(239, 68, 68, 0.2);
        transform: translateY(-2px);
    }

/* Form content */
.form-content {
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.form-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

    .form-group label {
        color: rgba(255, 255, 255, 0.9);
        font-size: 0.9rem;
        font-weight: 500;
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

        .form-group label i {
            color: #667eea;
            font-size: 1rem;
        }

.form-control {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

    .form-control:focus {
        outline: none;
        background: rgba(255, 255, 255, 0.12);
        border-color: #667eea;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    }

    .form-control::placeholder {
        color: rgba(255, 255, 255, 0.4);
    }

select.form-control {
    cursor: pointer;
}

    select.form-control option {
        background: #1a1a2e;
        color: #fff;
    }

.btn-primary {
    padding: 14px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    }

    .btn-primary:active {
        transform: translateY(0);
    }

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
}

.btn-secondary {
    padding: 14px 30px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
        transform: translateY(-2px);
    }

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
}

/* Loading overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

    .loading-overlay.active {
        display: flex;
    }

.loading-content {
    text-align: center;
}

.loading-text {
    color: #fff;
    margin-top: 20px;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Spinner mejorado */
.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: #667eea;
    border-right-color: #764ba2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

/* Loading button state */
.btn-primary.loading,
.btn-secondary.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

    .btn-primary.loading::after,
    .btn-secondary.loading::after {
        content: "";
        position: absolute;
        width: 20px;
        height: 20px;
        top: 50%;
        left: 50%;
        margin-left: -10px;
        margin-top: -10px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-top-color: #fff;
        border-radius: 50%;
        animation: spin 0.8s linear infinite;
    }

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Login page styles */
.login-body {
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Background animation for login */
.bg-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

    .bg-animation span {
        position: absolute;
        display: block;
        width: 20px;
        height: 20px;
        background: rgba(255, 255, 255, 0.1);
        animation: move 25s linear infinite;
        bottom: -150px;
    }

        .bg-animation span:nth-child(1) {
            left: 25%;
            width: 80px;
            height: 80px;
            animation-delay: 0s;
        }

        .bg-animation span:nth-child(2) {
            left: 10%;
            width: 20px;
            height: 20px;
            animation-delay: 2s;
            animation-duration: 12s;
        }

        .bg-animation span:nth-child(3) {
            left: 70%;
            width: 20px;
            height: 20px;
            animation-delay: 4s;
        }

        .bg-animation span:nth-child(4) {
            left: 40%;
            width: 60px;
            height: 60px;
            animation-delay: 0s;
            animation-duration: 18s;
        }

        .bg-animation span:nth-child(5) {
            left: 65%;
            width: 20px;
            height: 20px;
            animation-delay: 0s;
        }

        .bg-animation span:nth-child(6) {
            left: 75%;
            width: 110px;
            height: 110px;
            animation-delay: 3s;
        }

        .bg-animation span:nth-child(7) {
            left: 35%;
            width: 150px;
            height: 150px;
            animation-delay: 7s;
        }

        .bg-animation span:nth-child(8) {
            left: 50%;
            width: 25px;
            height: 25px;
            animation-delay: 15s;
            animation-duration: 45s;
        }

        .bg-animation span:nth-child(9) {
            left: 20%;
            width: 15px;
            height: 15px;
            animation-delay: 2s;
            animation-duration: 35s;
        }

        .bg-animation span:nth-child(10) {
            left: 85%;
            width: 150px;
            height: 150px;
            animation-delay: 0s;
            animation-duration: 11s;
        }

@keyframes move {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }

    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }
}

.login-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
    width: 100%;
    max-width: 420px;
    z-index: 1;
    position: relative;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

    .logo h1 {
        color: #fff;
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 10px;
        background: linear-gradient(to right, #fff, #a8e6cf);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .logo p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 0.9rem;
    }

.btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
    position: relative;
    overflow: hidden;
}

    .btn-login:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    }

    .btn-login:active {
        transform: translateY(0);
    }

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }

    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }

    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

.footer-text {
    text-align: center;
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

        .sidebar.active {
            transform: translateX(0);
        }

    .main-content {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .header {
        padding-left: 70px;
    }
}

@media (max-width: 768px) {
    .form-content {
        padding: 20px;
    }

    .form-card {
        padding: 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .login-container {
        margin: 20px;
        padding: 30px 20px;
    }

    .logo h1 {
        font-size: 2rem;
    }
}

/* Modern Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10001;
    pointer-events: none;
}

.toast {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 16px 20px;
    margin-bottom: 12px;
    min-width: 300px;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transform: translateX(100px);
    animation: slideIn 0.3s ease forwards;
    pointer-events: all;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .toast:hover {
        transform: translateX(-5px);
        box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
    }

    .toast.hiding {
        animation: slideOut 0.3s ease forwards;
    }

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 14px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.toast-message {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    line-height: 1.4;
}

.toast-close {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

    .toast-close:hover {
        background: rgba(255, 255, 255, 0.2);
        color: #fff;
    }

/* Toast types */
.toast.success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
}

    .toast.success .toast-icon {
        background: rgba(16, 185, 129, 0.2);
        color: #10b981;
    }

.toast.error {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
}

    .toast.error .toast-icon {
        background: rgba(239, 68, 68, 0.2);
        color: #ef4444;
    }

.toast.warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
}

    .toast.warning .toast-icon {
        background: rgba(245, 158, 11, 0.2);
        color: #f59e0b;
    }

.toast.info {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

    .toast.info .toast-icon {
        background: rgba(59, 130, 246, 0.2);
        color: #3b82f6;
    }

/* Progress bar */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: currentColor;
    border-radius: 0 0 16px 16px;
    opacity: 0.3;
    animation: progress 3s linear forwards;
}

@keyframes progress {
    from {
        width: 100%;
    }

    to {
        width: 0%;
    }
}

/* Modal confirmación moderna */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10002;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

    .modal-overlay.active {
        display: flex;
        opacity: 1;
    }

.modal-content {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 32px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 32px;
}

    .modal-icon.warning {
        background: rgba(245, 158, 11, 0.2);
        color: #f59e0b;
    }

    .modal-icon.error {
        background: rgba(239, 68, 68, 0.2);
        color: #ef4444;
    }

    .modal-icon.info {
        background: rgba(59, 130, 246, 0.2);
        color: #3b82f6;
    }

.modal-title {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 12px;
}

.modal-message {
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    margin-bottom: 32px;
    line-height: 1.6;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.modal-btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    min-width: 100px;
}

.modal-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

    .modal-btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
    }

.modal-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

    .modal-btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
    }

/* Animación de entrada */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}