/**
 * Staking Theme
 * Primary Purple: #6F2DE9 | Dark gradient: #2A1A6D → #6F2DE9
 * Background: Black | Text: #FFFFFF / #A0A0A0
 * Success: #4ADE80 | Error: #EF4444 | Warning: #F59E0B
 */
:root {
    --phantom-primary: #6F2DE9;
    --phantom-gradient: linear-gradient(135deg, #2A1A6D 0%, #6F2DE9 100%);
    --phantom-bg: #000000;
    --phantom-bg-alt: #0a0a0a;
    --phantom-surface: rgba(17, 17, 17, 0.9);
    --phantom-surface-solid: #111111;
    --phantom-border: rgba(111, 45, 233, 0.25);
    --phantom-border-strong: rgba(111, 45, 233, 0.4);

    --dark-bg: var(--phantom-bg);
    --dark-surface: var(--phantom-surface-solid);
    --dark-border: var(--phantom-border);
    --primary-gradient: var(--phantom-gradient);
    --accent-gradient: var(--phantom-gradient);
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-accent: var(--phantom-primary);
    --success: #4ADE80;
    --error: #EF4444;
    --warning: #F59E0B;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    background: #000000;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #000000 !important;
    background-color: #000000 !important;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--text-accent);
    text-decoration: none;
}

a:hover {
    color: var(--phantom-primary);
    text-decoration: underline;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-family: inherit;
    font-size: 1rem;
}

.btn-primary,
.phantom-btn,
.cta-button,
.btn:not(.btn-secondary):not(.btn-danger):not(.btn-delete-user):not(.logout-btn) {
    background: var(--phantom-gradient);
    color: #FFFFFF;
}

.btn-primary:hover,
.phantom-btn:hover,
.cta-button:hover,
.btn:not(.btn-secondary):not(.btn-danger):not(.btn-delete-user):not(.logout-btn):hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(111, 45, 233, 0.4);
}

.btn-secondary {
    background: var(--phantom-surface-solid);
    color: var(--text-primary);
    border: 1px solid var(--phantom-border-strong);
}

.btn-secondary:hover {
    background: rgba(111, 45, 233, 0.2);
    border-color: var(--phantom-primary);
}

.btn-danger,
.logout-btn {
    background: var(--error);
    color: #FFFFFF;
}

.btn-danger:hover,
.logout-btn:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
}

/* Cards & surfaces */
.card,
.auth-container,
.login-container {
    background: var(--phantom-surface-solid);
    border: 1px solid var(--phantom-border);
    border-radius: 16px;
    padding: 2rem;
}

/* Forms */
.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--phantom-border);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--phantom-primary);
    box-shadow: 0 0 0 3px rgba(111, 45, 233, 0.2);
}

.form-group label {
    color: var(--text-primary);
}

/* Headers */
.header {
    background: #000000 !important;
    background-color: #000000 !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--phantom-border);
}

/* Error / success messages */
.error-message {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.success-message {
    background: rgba(74, 222, 128, 0.15);
    color: var(--success);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

/* Spinner */
.spinner {
    border-color: var(--phantom-border);
    border-top-color: var(--phantom-primary);
}

/* Tables */
th {
    background: rgba(111, 45, 233, 0.15);
    color: var(--text-accent);
}

td, th {
    border-color: var(--phantom-border);
}

/* Wallet / status */
.wallet-connected {
    color: var(--success);
}

.wallet-disconnected {
    color: var(--error);
}

/* Balance amount gradient */
.balance-amount {
    background: var(--phantom-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.balance-wrap.balance-error .balance-amount {
    color: var(--error);
    -webkit-text-fill-color: var(--error);
}

/* Tab active */
.tab.active {
    background: var(--phantom-gradient);
    color: #FFFFFF;
}

.tab {
    color: var(--text-secondary);
}

.tab:hover {
    color: var(--text-primary);
}

/* Install hint / secondary links */
.install-hint a {
    color: var(--phantom-primary);
}