:root {
    --bg-color: var(--bg-primary);
    --card-bg-color: rgba(31, 41, 55, 0.5);
    --text-color: #F9FAFB;
    --subtitle-color: #9CA3AF;
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-start: #7C3AED;
    --gradient-end: #4F46E5;
    --success-color: #10B981;
    --error-color: #EF4444;
    --focus-ring-color: rgba(124, 58, 237, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.minimal-header {
    padding: 1rem 2rem;
}

.logo {
    height: 40px;
    width: auto;
}

.main-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.glass-card {
    width: 100%;
    max-width: 520px;
    background-color: var(--card-bg-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.card-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--subtitle-color);
    text-align: center;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 150ms ease-in-out, box-shadow 150ms ease-in-out;
}

.form-input:focus {
    outline: none;
    border-color: var(--gradient-start);
    box-shadow: 0 0 0 3px var(--focus-ring-color);
}

.form-input[aria-invalid="true"] {
    border-color: var(--error-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    min-height: 1.25rem; /* Reserve space */
}

.btn-submit {
    width: 100%;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    background-image: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 150ms ease-in-out, box-shadow 150ms ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-submit:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--focus-ring-color);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-top-color: var(--text-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .spinner {
    display: block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.btn-social {
    color: var(--subtitle-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 8px;
    transition: color 150ms ease-in-out, background-color 150ms ease-in-out;
}

.btn-social:hover {
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-social.discord {
    background-color: #5865F2;
    color: white;
}

.btn-social.whatsapp {
    background-color: #25D366;
    color: white;
}

.btn-social i {
    margin-right: 0.5rem;
}

.minimal-footer {
    padding: 1rem 2rem;
    text-align: center;
    color: var(--subtitle-color);
    font-size: 0.875rem;
}

/* Toast Styles */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 300ms ease-in-out, transform 300ms ease-in-out;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

.toast-message {
    flex-grow: 1;
}

.toast-close-btn {
    background: none;
    border: none;
    color: var(--subtitle-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

@media (max-width: 640px) {
    .glass-card {
        padding: 2rem 1.5rem;
    }

    .card-title {
        font-size: 1.75rem;
    }
}