body {
    background: linear-gradient(135deg, #eef2f7 0%, #cfd9df 100%);
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    color: #222;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Container */
.container {
    background: #fff;
    max-width: 450px;
    margin: 48px auto 0;
    padding: 2.5em 2.5em 1.5em;
    border-radius: 18px;
    box-shadow: 0 8px 40px rgba(60,72,88,0.2);
    position: relative;
    z-index: 2;
}

h1, h2, h3 {
    font-weight: 700;
    color: #2c3e50;
    margin-top: 0;
}

h1 {
    font-size: 2.1em;
    margin-bottom: 0.4em;
}
h2 {
    font-size: 1.3em;
    margin-bottom: 0.7em;
}

/* Forms */
form {
    margin: 1.5em 0 0 0;
}

label {
    display: block;
    margin-bottom: 0.3em;
    font-weight: 500;
    color: #34495e;
}

input[type="text"], input[type="email"], input[type="password"], select {
    width: 100%;
    padding: 0.7em 1em;
    margin-bottom: 1.1em;
    border: 1px solid #dde4ec;
    border-radius: 8px;
    background: #f5f8fa;
    font-size: 1em;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

input:focus, select:focus {
    border-color: #4a90e2;
    outline: none;
    background: #eaf6ff;
}

.button,
input[type="submit"],
button {
    font-size: 1em;
    font-family: inherit;
    font-weight: 600;
    padding: 0.7em 1.8em;
    border-radius: 8px;
    border: none;
    background: linear-gradient(90deg, #4a90e2, #007aff 90%);
    color: #fff;
    box-shadow: 0 2px 10px rgba(74,144,226,0.12);
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    margin-top: 0.2em;
    margin-bottom: 1.1em;
    letter-spacing: 0.02em;
}

.button:hover, input[type="submit"]:hover, button:hover {
    background: linear-gradient(90deg, #007aff 0%, #4a90e2 100%);
    box-shadow: 0 4px 16px rgba(74,144,226,0.15);
}

/* Plan Cards */
.plans {
    display: flex;
    flex-direction: column;
    gap: 1.5em;
    margin-bottom: 2em;
}

.plan {
    background: #f7fafd;
    border: 1px solid #dde4ec;
    border-radius: 12px;
    padding: 1.5em 1.2em;
    box-shadow: 0 1px 8px rgba(74,144,226,0.06);
    transition: box-shadow 0.2s, border 0.2s;
}

.plan:hover {
    border: 1.5px solid #4a90e2;
    box-shadow: 0 4px 16px rgba(74,144,226,0.12);
}

/* Subscription Status */
.subscription-info {
    background: #f1f7ff;
    border-radius: 10px;
    padding: 1.2em 1em;
    margin-bottom: 1.7em;
    box-shadow: 0 1px 6px rgba(74,144,226,0.07);
}

.subscription-info strong {
    color: #007aff;
}

/* Error, Success, Info */
.error {
    color: #e03a3e;
    background: #ffeaea;
    padding: 0.7em 1em;
    border-radius: 6px;
    margin-bottom: 1em;
    border-left: 4px solid #e03a3e;
}

.success {
    color: #267a3e;
    background: #eaffea;
    padding: 0.7em 1em;
    border-radius: 6px;
    margin-bottom: 1em;
    border-left: 4px solid #3cc47a;
}

.info {
    color: #2176bd;
    background: #e6f2ff;
    padding: 0.7em 1em;
    border-radius: 6px;
    margin-bottom: 1em;
    border-left: 4px solid #2176bd;
}

/* Logout Button */
.logout-button {
    background: #e03a3e linear-gradient(90deg, #e03a3e, #f85c70 90%);
    color: #fff;
    margin-top: 0.5em;
    box-shadow: 0 2px 8px rgba(224,58,62,0.08);
}

.logout-button:hover {
    background: #b8292f linear-gradient(90deg, #f85c70, #e03a3e 90%);
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        max-width: 98vw;
        padding: 1.2em 0.5em 1em;
    }
    .plans {
        gap: 1em;
    }
}

/* Links */
a {
    color: #007aff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

a:hover {
    color: #4a90e2;
    text-decoration: underline;
}

/* Panel Auth Box (for temporary password gate) */
.panel-auth-box {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 6px 28px rgba(60,72,88,0.13);
    max-width: 350px;
    margin: 80px auto 0;
    padding: 2.2em 2em;
}