@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #187bcd;
    --primary-light: #66c0f4;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --purple-color: #9b59b6;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --background-color: #f8fafc;
    --text-color: #333;
    --border-color: #e1e8ed;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

body{
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
}

.main-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 0 20px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
}

.logo i {
    font-size: 28px;
    color: white;
}

.page-title {
    font-size: 22px;
    font-weight: 600;
    text-align: center;
    flex-grow: 1;
    margin: 0 20px;
}

.user-menu {
    position: relative;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.user-profile:hover {
    background: rgba(255, 255, 255, 0.25);
}

.user-profile i {
    font-size: 24px;
}

.user-name {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.user-name:hover {
    opacity: 0.9;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.user-profile.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--dark-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--background-color);
    color: var(--primary-color);
}

.dropdown-menu a i {
    width: 20px;
    text-align: center;
}

.dropdown-menu .logout {
    color: var(--danger-color);
}

main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 100px);
    margin-top: 20px;
}

.hidden{
    display: none;
}