/* ============================================
   DBSankhya - Estilos da Página de Login
   Design moderno e elegante com suporte a tema dark
   ============================================ */

/* Canvas de Estrelas e Cometas */
.stars-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: linear-gradient(180deg, #000000 0%, #0a0a1a 50%, #000000 100%);
    pointer-events: none;
}

/* Container Principal */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: transparent;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

/* Background Decorativo */
.login-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(60px);
    animation: float 20s ease-in-out infinite;
}

.bg-shape-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-blue);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.bg-shape-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-green);
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.bg-shape-3 {
    width: 250px;
    height: 250px;
    background: var(--accent-blue);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* Card de Login */
.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(28, 28, 30, 0.6);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-heavy);
    padding: 48px 40px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header do Card */
.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.login-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    letter-spacing: -0.02em;
}

.login-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
}

/* Formulário */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Grupo de Formulário */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

/* Input Wrapper */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-secondary);
    pointer-events: none;
    z-index: 1;
    transition: color 0.2s ease;
}

.form-input {
    width: 100%;
    padding: 12px 14px 12px 40px;
    border: 1.5px solid var(--border-medium);
    border-radius: var(--radius-medium);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 15px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-input:focus + .input-icon,
.input-wrapper:has(.form-input:focus) .input-icon {
    color: var(--accent-blue);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

/* Toggle de Senha */
.password-toggle {
    position: absolute;
    right: 14px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-small);
    transition: var(--transition);
    z-index: 1;
}

.password-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.eye-icon {
    width: 16px;
    height: 16px;
}

/* Opções do Formulário */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-blue);
}

.checkbox-label {
    color: var(--text-secondary);
    font-weight: 400;
}

.forgot-password {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--accent-blue-hover);
    text-decoration: underline;
}

/* Mensagem de Erro */
.error-message {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.2);
    border-radius: var(--radius-medium);
    color: var(--accent-red);
    font-size: 13px;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.error-message svg {
    flex-shrink: 0;
}

/* Botão de Login */
.login-button {
    width: 100%;
    padding: 14px 24px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: var(--radius-medium);
    font-size: 15px;
    font-weight: 600;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.login-button:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.login-button:active {
    transform: translateY(0);
}

.login-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-button.loading .button-text {
    opacity: 0;
}

.login-button.loading .button-icon {
    display: block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.button-icon {
    position: absolute;
}

/* Footer do Card */
.login-footer {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
}

.theme-toggle-login {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--border-medium);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.theme-toggle-login:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.theme-toggle-login svg {
    transition: opacity 0.2s ease, transform 0.3s ease;
    width: 18px;
    height: 18px;
}

.theme-icon-light,
.theme-icon-dark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Loading Overlay */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] #loadingOverlay {
    background: rgba(0, 0, 0, 0.9);
}

/* Input Hint */
.input-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
    font-weight: 400;
}

/* Mensagem de Sucesso */
.success-message {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(48, 209, 88, 0.1);
    border: 1px solid rgba(48, 209, 88, 0.2);
    border-radius: var(--radius-medium);
    color: var(--accent-green);
    font-size: 13px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-message svg {
    flex-shrink: 0;
}

/* Link de Registro/Login */
.register-link {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.register-link a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    margin-left: 4px;
    transition: var(--transition);
}

.register-link a:hover {
    color: var(--accent-blue-hover);
    text-decoration: underline;
}

/* Validação de Campos */
.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--accent-red);
}

.form-input:valid:not(:placeholder-shown) {
    border-color: var(--accent-green);
}

/* Responsividade - Mobile First Approach */
@media (max-width: 480px) {
    .login-container {
        padding: 12px;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .login-card {
        padding: 24px 20px;
        border-radius: var(--radius-medium);
        width: 100%;
        max-width: 100%;
        margin: 0;
    }

    .login-header {
        margin-bottom: 28px;
    }

    .login-logo svg {
        width: 40px;
        height: 40px;
    }

    .login-title {
        font-size: 24px;
        margin-bottom: 6px;
    }

    .login-subtitle {
        font-size: 13px;
    }

    .login-form {
        gap: 20px;
    }

    .form-group {
        gap: 6px;
    }

    .form-label {
        font-size: 12px;
    }

    .form-input {
        padding: 11px 12px 11px 38px;
        font-size: 14px;
    }

    .input-icon {
        left: 12px;
        width: 14px;
        height: 14px;
    }

    .input-hint {
        font-size: 11px;
        margin-top: 2px;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        font-size: 12px;
    }

    .forgot-password {
        align-self: flex-start;
        font-size: 12px;
    }

    .login-button {
        padding: 12px 20px;
        font-size: 14px;
        margin-top: 4px;
    }

    .register-link {
        font-size: 13px;
        margin-top: 12px;
    }

    .error-message,
    .success-message {
        padding: 10px 14px;
        font-size: 12px;
    }

    .login-footer {
        margin-top: 24px;
        padding-top: 20px;
    }

    .theme-toggle-login {
        width: 36px;
        height: 36px;
    }
}

@media (min-width: 481px) and (max-width: 640px) {
    .login-container {
        padding: 20px;
    }

    .login-card {
        padding: 36px 28px;
        max-width: 90%;
    }

    .login-title {
        font-size: 26px;
    }

    .login-subtitle {
        font-size: 14px;
    }

    .form-input {
        font-size: 14px;
    }
}

@media (min-width: 641px) and (max-width: 768px) {
    .login-container {
        padding: 24px;
    }

    .login-card {
        padding: 40px 36px;
        max-width: 450px;
    }

    .login-title {
        font-size: 30px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .login-card {
        max-width: 420px;
    }
}

/* Tablet Portrait */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
    .login-card {
        max-width: 480px;
        padding: 44px 40px;
    }
}

/* Tablet Landscape */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .login-container {
        padding: 16px;
    }

    .login-card {
        max-width: 400px;
        padding: 32px 28px;
    }

    .login-header {
        margin-bottom: 24px;
    }

    .login-title {
        font-size: 28px;
    }

    .login-form {
        gap: 20px;
    }
}

/* Ajustes para telas muito pequenas (menos de 360px) */
@media (max-width: 360px) {
    .login-container {
        padding: 8px;
    }

    .login-card {
        padding: 20px 16px;
    }

    .login-title {
        font-size: 22px;
    }

    .form-input {
        padding: 10px 10px 10px 36px;
        font-size: 13px;
    }

    .input-icon {
        left: 10px;
        width: 13px;
        height: 13px;
    }

    .login-button {
        padding: 11px 18px;
        font-size: 13px;
    }
}

/* Ajustes para altura pequena (landscape mobile) */
@media (max-height: 600px) and (orientation: landscape) {
    .login-container {
        padding: 12px;
        align-items: flex-start;
        padding-top: 20px;
        overflow-y: auto;
    }

    .login-card {
        padding: 24px 20px;
        margin: 0;
    }

    .login-header {
        margin-bottom: 16px;
    }

    .login-logo svg {
        width: 36px;
        height: 36px;
    }

    .login-title {
        font-size: 22px;
        margin-bottom: 4px;
    }

    .login-subtitle {
        font-size: 12px;
    }

    .login-form {
        gap: 16px;
    }

    .form-group {
        gap: 5px;
    }

    .input-hint {
        display: none;
    }
}

/* Tema Dark - Ajustes Específicos */
[data-theme="dark"] .login-card {
    background: rgba(28, 28, 30, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .bg-shape {
    opacity: 0.15;
}

[data-theme="dark"] .login-container {
    background: transparent;
}

[data-theme="dark"] .form-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: #f5f5f7;
}

[data-theme="dark"] .form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .form-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: #0a84ff;
    box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}

[data-theme="dark"] .error-message {
    background: rgba(255, 69, 58, 0.15);
    border-color: rgba(255, 69, 58, 0.3);
}

[data-theme="dark"] .success-message {
    background: rgba(50, 215, 75, 0.15);
    border-color: rgba(50, 215, 75, 0.3);
}

[data-theme="dark"] .login-button {
    background: linear-gradient(135deg, #0a84ff 0%, #409cff 100%);
    box-shadow: 0 4px 16px rgba(10, 132, 255, 0.3);
}

[data-theme="dark"] .login-button:hover {
    box-shadow: 0 6px 20px rgba(10, 132, 255, 0.4);
}

/* Animações de Entrada */
.login-card {
    animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group {
    animation: fadeIn 0.5s ease forwards;
    opacity: 0;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}