:root {
    --primary-orange: #FF6A13;
    --primary-orange-hover: #FF7A2E;
    --primary-orange-light: rgba(255, 106, 19, 0.08);
    --bg-primary: #F8F9FA;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F3F4F6;
    --border-color: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-container {
    background: var(--bg-secondary);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    max-width: 450px;
    width: 100%;
    border: 1px solid var(--border-color);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

.login-header {
    background: linear-gradient(135deg, var(--primary-orange), #FF8A3D);
    padding: 48px 40px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.icon {
    font-size: 56px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.login-header p {
    font-size: 14px;
    opacity: 0.95;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

.login-body {
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.2s ease;
    font-family: 'Inter', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px var(--primary-orange-light);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary-orange);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-login:hover {
    background: var(--primary-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 106, 19, 0.3);
}

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

.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 24px;
    font-size: 14px;
    border: 1px solid;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-color: var(--success);
}

.alert::before {
    content: '⚠️';
    font-size: 18px;
}

.alert-success::before {
    content: '✓';
}

.login-footer {
    text-align: center;
    padding: 24px 40px;
    background: var(--bg-tertiary);
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: var(--text-muted);
    font-size: 12px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.divider span {
    padding: 0 12px;
}