:root {
    --primary: #e91e63;
    --primary-dark: #c2185b;
    --secondary: #9c27b0;
    --dark: #121212;
    --dark-light: #1e1e1e;
    --light: #f5f5f5;
    --gray: #757575;
    --success: #4caf50;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --text-primary: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
}

[data-theme="dark"] {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--bg-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 48px;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    padding: 20px 0;
    margin-bottom: 30px;
}

.logo i {
    font-size: 56px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 20px;
}

.language-selector {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 100px 20px 50px;
}

.login-card {
    background: var(--bg-primary);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-color);
}

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

.login-header h1 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 16px;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.checkbox-group input {
    width: auto;
}

.btn {
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
    border: none;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.6);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

.error-message {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid rgba(244, 67, 54, 0.2);
}

.success-message {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.admin-info {
    background: rgba(33, 150, 243, 0.1);
    color: #2196f3;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    border: 1px solid rgba(33, 150, 243, 0.2);
    font-size: 14px;
}

.forgot-password-link {
    text-align: center;
    margin: 15px 0;
}

.forgot-password-link a {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
}

.forgot-password-link a:hover {
    text-decoration: underline;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 0 auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-primary);
}

.close {
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-primary);
}

footer {
    background: var(--dark);
    color: white;
    padding: 30px 0;
    margin-top: auto;
}

.copyright {
    text-align: center;
    color: #bbb;
    font-size: 14px;
}

.form-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--primary);
    text-decoration: none;
}

.form-brand img {
    height: 28px;
    border-radius: 6px;
    vertical-align: middle;
}

.form-brand i {
    font-size: 28px;
}

.form-brand span {
    font-weight: bold;
    font-size: 22px;
}

@media (max-width: 480px) {
    .login-card {
        padding: 25px;
    }
    .modal-content {
        margin: 0 auto;
        padding: 20px;
    }
}