:root {
    --primary-bg: #fdfbf7;      
    --sidebar-bg: rgba(30, 41, 59, 0.7);      
    --accent-purple: #6B46C1;   
    --accent-purple-hover: #553C9A;
    --accent-green: #38A169;    
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --border-color: rgba(255, 255, 255, 0.2);
    --white: #ffffff;
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --border-radius: 16px;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--primary-bg);
    background-image: radial-gradient(circle at 15% 50%, rgba(107, 70, 193, 0.08), transparent 25%),
                      radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.08), transparent 25%);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--white);
    display: flex;
    flex-direction: column;
    padding: 30px 0;
    position: fixed;
    height: 100vh;
    box-shadow: 4px 0 24px rgba(0,0,0,0.1);
    border-right: 1px solid rgba(255,255,255,0.1);
    z-index: 100;
}

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

.sidebar-header h2 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    flex-grow: 1;
    padding: 0 15px;
}

.nav-links li {
    margin-bottom: 10px;
}

.nav-links a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-weight: 500;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover, .nav-links a.active {
    background: rgba(107, 70, 193, 0.4);
    color: var(--white);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(107, 70, 193, 0.3);
}

.nav-icon {
    margin-right: 15px;
    font-size: 1.2rem;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    margin-left: 280px;
    padding: 40px 50px;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 20px 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: var(--glass-border);
    box-shadow: var(--shadow-soft);
}

.top-bar h1 {
    font-size: 2rem;
    color: var(--accent-purple);
    font-weight: 700;
}

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

.btn-logout {
    background: rgba(229, 62, 62, 0.1);
    border: 1px solid rgba(229, 62, 62, 0.2);
    padding: 10px 20px;
    border-radius: 10px;
    color: #e53e3e;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-logout:hover {
    background: #e53e3e;
    color: var(--white);
    box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
}

/* Cards & Dashboard */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--glass-border);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.2);
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 6px;
    height: 100%;
    background: var(--accent-purple);
}

.card.green::before {
    background: var(--accent-green);
}

.card h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    font-weight: 600;
}

.card .amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

/* Forms & Tables */
.form-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--glass-border);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(226, 232, 240, 0.6);
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 4px rgba(107, 70, 193, 0.1);
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple) 0%, #9F7AEA 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(107, 70, 193, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(107, 70, 193, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-green) 0%, #48BB78 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(56, 161, 105, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(56, 161, 105, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #E53E3E 0%, #F56565 100%);
    color: white;
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-danger:hover {
    box-shadow: 0 4px 15px rgba(229, 62, 62, 0.4);
}

.data-table-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

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

.data-table th, .data-table td {
    padding: 20px 25px;
    text-align: left;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.data-table th {
    background: rgba(248, 250, 252, 0.5);
    font-weight: 700;
    color: var(--accent-purple);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr {
    transition: background 0.3s;
}

.data-table tr:hover {
    background: rgba(255, 255, 255, 0.8);
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.badge-card { background: #FDE8F3; color: #97266D; }
.badge-cash { background: #C6F6D5; color: #22543D; }
.badge-transfer { background: #BEE3F8; color: #2A4365; }

/* Login specific */
.login-body {
    justify-content: center;
    align-items: center;
    background: url('../../img/fondo-esencia.jpg') center/cover no-repeat;
    position: relative;
}

.login-body::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.85) 0%, rgba(107, 70, 193, 0.75) 100%);
    z-index: 1;
}

.login-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    padding: 50px 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 450px;
    text-align: center;
    position: relative;
    z-index: 2;
    animation: floatUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes floatUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-box h2 {
    color: var(--white);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 5px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.login-box p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 35px;
}

.login-box .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 15px 20px;
}

.login-box .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.login-box .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
}

.login-box label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.login-box .btn-primary {
    background: var(--white);
    color: var(--accent-purple);
    font-size: 1.1rem;
    margin-top: 15px;
}

.login-box .btn-primary:hover {
    background: #f8fafc;
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

.alert {
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    background: rgba(254, 215, 215, 0.9);
    color: #c53030;
    border: 1px solid #feb2b2;
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}