:root {
    --bg-color: #121212;
    --container-bg: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --primary: #facc15;
    --primary-hover: #eab308;
    --primary-text: #1a1a1a;
    --border: #333333;
    --success: #4ade80;
    --error: #f87171;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.card {
    background: var(--container-bg);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 480px;
    text-align: center;
}

h1,
h2 {
    margin-top: 0;
    font-size: 24px;
    text-align: center;
    color: var(--text-main);
}

p,
p.subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
}

form {
    text-align: left;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-main);
}

input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.2s;
    background-color: #2a2a2a;
    color: var(--text-main);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.2);
}

button,
.btn {
    width: 100%;
    background-color: var(--primary);
    color: var(--primary-text);
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 10px;
    display: inline-block;
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
}

button:hover,
.btn:hover {
    background-color: var(--primary-hover);
}

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

.btn-secondary:hover {
    background-color: rgba(250, 204, 21, 0.1);
}

/* Messages */
#messageBox {
    margin-top: 20px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    display: none;
}

.msg-success {
    background-color: rgba(74, 222, 128, 0.1);
    color: var(--success);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.msg-error {
    background-color: rgba(248, 113, 113, 0.1);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

/* Subscriptions List */
#subsList {
    margin-top: 30px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    display: none;
    text-align: left;
}

.sub-item {
    padding: 10px;
    background: #2a2a2a;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-main);
}

.status-badge {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
    background: #444;
    color: #e0e0e0;
}

.status-badge.confirmed {
    background: rgba(74, 222, 128, 0.2);
    color: var(--success);
}

.loader {
    border: 4px solid #333;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px auto;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: none;
}

.icon-success {
    color: var(--success);
}

.icon-error {
    color: var(--error);
}