:root {
    --tv-bg-dark: #131722;
    --tv-bg-panel: #1E222D;
    --tv-grid-line: #363C4E;
    --tv-text: #D1D4DC;
    --tv-text-muted: #787B86;
    --tv-up: #089981;
    --tv-down: #F23645;
    --tv-border: #2A2E39;
    --tv-accent: #2962FF;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Trebuchet MS', Roboto, Ubuntu, sans-serif;
}

body, html {
    width: 100%;
    height: 100%;
    background-color: var(--tv-bg-dark);
    color: var(--tv-text);
}

body {
    background: radial-gradient(circle at center, #1e222d 0%, #131722 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-card {
    background: rgba(30, 34, 45, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(42, 46, 57, 0.8);
    border-radius: 12px;
    padding: 40px 32px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    box-shadow: 0 12px 40px 0 rgba(41, 98, 255, 0.15);
    transform: translateY(-2px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    user-select: none;
}

.logo img {
    height: 36px;
    width: 36px;
    object-fit: contain;
}

.subtitle {
    font-size: 14px;
    color: var(--tv-text-muted);
    margin-bottom: 32px;
}

form {
    width: 100%;
}

.input-group {
    width: 100%;
    margin-bottom: 24px;
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--tv-text-muted);
    font-weight: 500;
}

.input-field {
    width: 100%;
    background-color: var(--tv-bg-dark);
    border: 1px solid var(--tv-border);
    color: var(--tv-text);
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-field:focus {
    border-color: var(--tv-accent);
    box-shadow: 0 0 0 2px rgba(41, 98, 255, 0.25);
}

.toggle-password-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--tv-text-muted);
    display: flex;
    align-items: center;
    transition: color 0.2s ease;
    user-select: none;
}

.toggle-password-btn:hover {
    color: var(--tv-text);
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, #2962ff 0%, #1e40af 100%);
    border: none;
    color: white;
    padding: 12px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(41, 98, 255, 0.3);
    margin-top: 8px;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 6px 16px rgba(41, 98, 255, 0.4);
    transform: translateY(-1px);
}

.btn-submit:active {
    transform: translateY(0);
}

.error-banner {
    background-color: rgba(242, 54, 69, 0.15);
    border: 1px solid var(--tv-down);
    color: #ff808b;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 20px;
    width: 100%;
    text-align: center;
}