/* ============================================
   FYHUB FINANCE CLONE - CSS
   Identico ao design original do FyHub Finance
   ============================================ */

/* Reset e base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #0078D4;
    --color-primary-dark: #005A9E;
    --color-primary-light: #0096FF;
    --color-bg: #F8F9FA;
    --color-bg-card: #FFFFFF;
    --color-text: #1A1A2E;
    --color-text-secondary: #6B7280;
    --color-border: #E5E7EB;
    --color-border-focus: #0078D4;
    --color-error: #DC2626;
    --color-success: #059669;
    --color-input-bg: #FFFFFF;
    --color-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --color-footer-text: #9CA3AF;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Dark mode variables */
[data-theme="dark"] {
    --color-bg: #111827;
    --color-bg-card: #1F2937;
    --color-text: #F3F4F6;
    --color-text-secondary: #9CA3AF;
    --color-border: #374151;
    --color-border-focus: #0096FF;
    --color-input-bg: #1F2937;
    --color-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --color-footer-text: #6B7280;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: background-color 0.3s, color 0.3s;
}

/* Container principal */
.app-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 16px;
    position: relative;
}

/* Botão de tema */
.theme-toggle {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 10;
}

.theme-toggle:hover {
    background: var(--color-border);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--color-text-secondary);
}

/* Logo area */
.logo-area {
    margin-top: 60px;
    margin-bottom: 32px;
    text-align: center;
}

.logo-area img {
    height: 60px;
    width: auto;
}

.logo-subtitle {
    display: block;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-top: 8px;
}

/* Card principal */
.login-card {
    background: var(--color-bg-card);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--color-card-shadow);
    border: 1px solid var(--color-border);
    transition: all 0.3s;
    position: relative;
}

/* Header do card com botão voltar */
.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
    position: relative;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    width: 100%;
    color: var(--color-text);
}

.card-header p {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-align: center;
    width: 100%;
    margin-top: 4px;
}

.card-header-wrapper {
    text-align: center;
    width: 100%;
}

.btn-back {
    position: absolute;
    left: 0;
    top: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
}

.btn-back svg {
    width: 20px;
    height: 20px;
    fill: var(--color-text-secondary);
}

/* Formulário */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 16px;
    color: var(--color-text);
    background: var(--color-input-bg);
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: var(--font-family);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.form-group .error-text {
    color: var(--color-error);
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.form-group.error input {
    border-color: var(--color-error);
}

.form-group.error .error-text {
    display: block;
}

/* Botão principal */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    font-family: var(--font-family);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary:disabled {
    background: #9CA3AF;
    cursor: not-allowed;
    transform: none;
}

/* Termos */
.terms-text {
    margin-top: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.terms-text a {
    color: var(--color-text);
    text-decoration: underline;
    font-weight: 500;
}

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

/* Footer */
.footer {
    margin-top: auto;
    padding-top: 40px;
    text-align: center;
    font-size: 12px;
    color: var(--color-footer-text);
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s ease-in-out infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s ease-in-out infinite;
}

/* Lista de contas */
.account-list {
    margin-top: 16px;
}

.account-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background 0.2s;
    border-radius: 8px;
}

.account-item:hover {
    background: rgba(0, 120, 212, 0.05);
}

.account-item:last-child {
    border-bottom: none;
}

.account-number {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    min-width: 60px;
}

.account-info {
    text-align: right;
    flex: 1;
}

.account-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
}

.account-document {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Tela de 2FA */
.otp-input {
    width: 100%;
    text-align: center;
    font-size: 24px;
    letter-spacing: 12px;
    padding: 16px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-input-bg);
    color: var(--color-text);
    font-family: var(--font-family);
}

.otp-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
}

.otp-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 16px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.otp-resend {
    margin-top: 16px;
    text-align: center;
}

.otp-resend button {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: underline;
}

.otp-resend button:disabled {
    color: var(--color-text-secondary);
    cursor: not-allowed;
}

.otp-timer {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* Mensagem de sucesso */
.success-message {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.success-icon svg {
    width: 32px;
    height: 32px;
    fill: white;
}

/* Mensagem de erro */
.error-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-error);
}

/* Alert banner */
.alert-banner {
    background: #FEF3C7;
    border: 1px solid #FCD34D;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 13px;
    color: #92400E;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-banner.error {
    background: #FEE2E2;
    border-color: #FCA5A5;
    color: #991B1B;
}

/* Responsivo */
@media (max-width: 480px) {
    .app-container {
        padding: 20px 12px;
    }

    .login-card {
        padding: 24px;
    }

    .logo-area {
        margin-top: 40px;
    }

    .logo-area img {
        height: 48px;
    }

    .account-item {
        padding: 12px;
    }

    .otp-input {
        letter-spacing: 8px;
        font-size: 20px;
    }
}