:root{
    --bg: #000;
    --card: #111;
    --text: #e0e0e0;
    --accent: cyan;
    --border: #333;
}

*{margin: 0; padding: 0; box-sizing: border-box;}
body{background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; min-height: 100vh;}

.container{max-width: 800px; margin: 0 auto; padding: 20px;}

header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #333;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

header h2 {font-size: 24pt;}
header h2 b {color: var(--accent);}

.user-info{
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14pt;
}

#logoutBtn{
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

#logoutBtn:hover{
    background: var(--accent);
    color: #000;
}

h1{
    font-size: 28pt;
    margin-bottom: 30px;
    text-align: center;
}

.urls-list{
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
}

.url-card{
    background: var(--card);
    border: 1px solid #333;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: 0.3s;
}

.url-card:hover{
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

.url-name{
    font-weight: 600;
    color: var(--accent);
}

.url-actions{
    display: flex;
    gap: 10px;
}

.btn-copy, .btn-delete{
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

.btn-copy{
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-copy:hover{
    background: var(--accent);
    color: #000;
}

.btn-delete{
    background: #330000;
    border: 1px solid #800;
    color: #f88;
}

.btn-delete:hover{
    background: #800;
    color: white;
}

.add-btn{
    width: 100%;
    padding: 16px;
    background: transparent;
    border: 2px dashed var(--accent);
    color: var(--accent);
    font-size: 16pt;
    border-radius: 12px;
    cursor: pointer;
    transition:hover{
        background: rgba(0, 255, 255, 0.1);
    }
}

.modal{
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.active{display: flex;}

.modal-content{
    background: #111;
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    border: 1px solid var(--accent);
    text-align: center;
}

.modal-content input{
    width: 100%;
    padding: 14px;
    margin: 10px 0;
    background: #222;
    border: 1px solid #444;
    border-radius: 10px;
    color: white;
}

.modal-content .error{
    color: #ff6b6b;
    margin: 10px 0;
    min-height: 20px;
}

.buttons{
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.buttons button{
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
}

#loginSubmit{
    background: var(--accent);
    color: black;
    border: none;
}

#closeModal{
    background: transparent;
    border: 1px solid #666;
    color: #aaa;
}

.hidden { display: none; }