* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
header {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #f0c27f;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}
.nav-links a:hover {
    color: #f0c27f;
}
.hamburger {
    display: none;
    font-size: 2rem;
    cursor: pointer;
}
main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}
.hero {
    text-align: center;
    padding: 3rem 1rem;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #f0c27f, #fc5c7d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.subtitle {
    font-size: 1.1rem;
    color: #ccc;
    max-width: 600px;
    margin: 0 auto;
}
.clock-section {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}
.clock-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2rem;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.clock-display {
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.5s;
}
.time {
    font-size: 4rem;
    font-weight: bold;
    letter-spacing: 3px;
    font-family: 'Courier New', monospace;
}
.date {
    font-size: 1.2rem;
    margin-top: 0.5rem;
    color: #ddd;
}
.timezone {
    font-size: 0.9rem;
    margin-top: 0.3rem;
    color: #aaa;
}
.controls {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.control-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.control-group label {
    min-width: 100px;
}
select, input, .btn {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    border: none;
    font-size: 1rem;
    background: rgba(255,255,255,0.2);
    color: #fff;
    cursor: pointer;
    transition: 0.3s;
}
select option { background: #302b63; color: #fff; }
.btn:hover {
    background: #f0c27f;
    color: #1a1a2e;
}
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}
.feature-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    transition: transform 0.3s;
}
.feature-card:hover {
    transform: translateY(-5px);
}
.feature-card h3 {
    margin-bottom: 1rem;
    color: #f0c27f;
}
.countdown {
    font-size: 1.5rem;
    font-weight: bold;
}
.alarm-item {
    background: rgba(255,255,255,0.1);
    padding: 0.5rem;
    border-radius: 10px;
    margin: 0.5rem 0;
}
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background: #302b63;
    padding: 2rem;
    border-radius: 20px;
    max-width: 400px;
    width: 90%;
    text-align: center;
}
.close {
    float: right;
    font-size: 2rem;
    cursor: pointer;
}
footer {
    text-align: center;
    padding: 1rem;
    background: rgba(0,0,0,0.3);
}
footer a {
    color: #f0c27f;
    text-decoration: none;
}
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.login-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(15px);
    padding: 2rem;
    border-radius: 20px;
    max-width: 400px;
    width: 100%;
    text-align: center;
}
.login-card input {
    width: 100%;
    margin: 0.5rem 0;
}
.admin-main {
    padding: 2rem;
}
.admin-form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0;
    align-items: end;
}
.admin-list {
    list-style: none;
}
.admin-list li {
    padding: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.btn.small {
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
}
.error {
    color: #fc5c7d;
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        right: 0;
        background: rgba(15,12,41,0.95);
        width: 200px;
        padding: 1rem;
        border-radius: 0 0 10px 10px;
    }
    .nav-links.active {
        display: flex;
    }
    .hamburger {
        display: block;
    }
    .time {
        font-size: 2.5rem;
    }
}