html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

#account-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    padding: 1.5rem;
    box-sizing: border-box;
    background:
        radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.16), transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(129, 140, 248, 0.14), transparent 45%),
        var(--content-bg, #f4f5f8);
    font-family: var(--font-sans, "Inter", system-ui, sans-serif);
    box-sizing: border-box;
}

#login-card {
    width: 100%;
    max-width: 380px;
    padding: 2.25rem 2rem 2rem;
    background: var(--content-surface, #fff);
    border: 1px solid var(--content-border, rgba(30, 33, 40, 0.08));
    border-radius: 18px;
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.04),
        0 24px 48px rgba(15, 23, 42, 0.10);
    box-sizing: border-box;
}

.login-card-brand {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.login-card-logo-frame {
    position: relative;
    isolation: isolate;
    display: grid;
    place-items: center;
    width: 66px;
    height: 66px;
    padding: 4px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(238, 240, 255, 0.92));
    box-shadow:
        0 12px 28px rgba(41, 54, 160, 0.18),
        0 2px 7px rgba(15, 23, 42, 0.08);
}

.login-card-logo-frame::before {
    content: "";
    position: absolute;
    inset: -10px;
    z-index: -1;
    border-radius: 26px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 68%);
    filter: blur(5px);
}

.login-card-logo {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    object-fit: cover;
}

.login-card-title {
    margin: 0 0 0.35rem;
    color: var(--content-text, #1e2128);
    font-size: 1.25rem;
    font-weight: var(--font-semibold, 600);
    text-align: center;
}

.login-card-subtitle {
    margin: 0 0 1.75rem;
    color: var(--content-text-secondary, #565b6b);
    font-size: var(--text-md, 0.875rem);
    text-align: center;
}

.login-field {
    margin-bottom: 1.1rem;
}

.login-field label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--content-text-secondary, #565b6b);
    font-size: var(--text-sm, 0.75rem);
    font-weight: var(--font-medium, 500);
}

.login-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-icon {
    position: absolute;
    left: 0.85rem;
    display: flex;
    align-items: center;
    color: var(--content-text-muted, #6b7280);
    font-size: 0.95rem;
    pointer-events: none;
}

.login-input {
    width: 100%;
    height: 2.75rem;
    padding: 0 2.75rem;
    background: var(--content-bg, #f4f5f8);
    border: 1px solid var(--content-border, rgba(30, 33, 40, 0.08));
    border-radius: 10px;
    color: var(--content-text, #1e2128);
    font-size: var(--text-md, 0.875rem);
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    box-sizing: border-box;
}

.login-input::placeholder {
    color: var(--content-text-muted, #6b7280);
}

.login-input:focus {
    outline: none;
    background: var(--content-surface, #fff);
    border-color: var(--content-accent, #6366f1);
    box-shadow: 0 0 0 3px var(--content-accent-soft, rgba(99, 102, 241, 0.1));
}

.login-input-toggle {
    position: absolute;
    right: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 8px;
    color: var(--content-text-muted, #6b7280);
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease;
}

.login-input-toggle:hover {
    background: var(--content-accent-soft, rgba(99, 102, 241, 0.1));
    color: var(--content-accent, #6366f1);
}

#login-message-container:not(:empty) {
    margin-bottom: 1rem;
}

#login-message-container .alert {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0.65rem 0.85rem;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: var(--text-sm, 0.75rem);
}

#login-message-container .alert-danger {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.18);
    color: #b91c1c;
}

#login-message-container .alert-success {
    background: rgba(22, 163, 74, 0.08);
    border-color: rgba(22, 163, 74, 0.18);
    color: #15803d;
}

.login-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    height: 2.75rem;
    background: var(--content-accent, #6366f1);
    border: 0;
    border-radius: 10px;
    color: #fff;
    font-size: var(--text-md, 0.875rem);
    font-weight: var(--font-medium, 500);
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease, opacity 0.15s ease;
}

.login-submit-btn:hover {
    background: #5254d6;
}

.login-submit-btn:active {
    transform: translateY(1px);
}

.login-submit-btn:disabled {
    opacity: 0.7;
    cursor: default;
}

.login-submit-btn .loading-indicator {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

.login-footer-note {
    margin-top: 1.5rem;
    color: var(--content-text-muted, #6b7280);
    font-size: var(--text-xs, 0.6875rem);
    text-align: center;
}

body.dark-theme #account-layout,
body.theme-dark #account-layout {
    background:
        radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.22), transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(129, 140, 248, 0.18), transparent 45%),
        #14151b;
}

body.dark-theme #login-card,
body.theme-dark #login-card {
    background: #1c1e26;
    border-color: rgba(255, 255, 255, 0.08);
}

body.dark-theme .login-card-title,
body.theme-dark .login-card-title {
    color: #e8eaf0;
}

body.dark-theme .login-input,
body.theme-dark .login-input {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    color: #e8eaf0;
}

body.dark-theme .login-input:focus,
body.theme-dark .login-input:focus {
    background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 480px) {
    #account-layout {
        padding: 1rem;
    }

    #login-card {
        padding: 1.75rem 1.25rem 1.5rem;
    }

    .login-card-logo-frame {
        width: 58px;
        height: 58px;
        border-radius: 18px;
    }

    .login-card-logo {
        border-radius: 14px;
    }
}