/* === VARIÁVEIS CSS === */
:root {
    --primary-blue: #4F46E5;
    --primary-blue-light: #6366F1;
    --primary-blue-dark: #3730A3;
    --background-dark: #0F172A;
    --background-card: #1E293B;
    --background-input: #334155;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --border-color: #475569;
    --success-color: #10B981;
    --error-color: #EF4444;
    --warning-color: #F59E0B;
    --shadow-primary: 0 10px 25px rgba(79, 70, 229, 0.2);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    --gradient-background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
}

/* === RESET E BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--gradient-background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* === CONTAINER PRINCIPAL === */
.mobile-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* === HEADER === */
.mobile-header {
    padding: 20px 20px 10px;
    text-align: center;
    background: transparent;
    position: relative;
    z-index: 10;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.logo-text {
    font-family: 'Press Start 2P', monospace;
    font-size: 1.5rem;
    color: var(--primary-blue);
    text-shadow: 0 0 20px rgba(79, 70, 229, 0.5);
    letter-spacing: 2px;
    margin: 0;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin: 0;
}

/* === MAIN CONTENT === */
.mobile-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

/* === CONTAINER DO FORMULÁRIO === */
.form-container {
    width: 100%;
    max-width: 380px;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 24px;
    padding: 30px 25px;
    box-shadow: var(--shadow-card);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-container.hidden {
    display: none;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 24px 24px 0 0;
}

/* === HEADER DO FORMULÁRIO === */
.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* === FORMULÁRIO === */
.mobile-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* === INPUT WRAPPER === */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    height: 56px;
    padding: 0 50px 0 50px;
    background: rgba(51, 65, 85, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 400;
    transition: all 0.3s ease;
    outline: none;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
    font-weight: 300;
}

.input-wrapper input:focus {
    border-color: var(--primary-blue);
    background: rgba(51, 65, 85, 1);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    transform: translateY(-1px);
}

.input-icon {
    position: absolute;
    left: 18px;
    color: var(--text-muted);
    font-size: 1rem;
    z-index: 2;
    transition: color 0.3s ease;
}

.input-wrapper:focus-within .input-icon {
    color: var(--primary-blue);
}

.password-toggle {
    position: absolute;
    right: 18px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    z-index: 2;
    padding: 8px;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--primary-blue);
}

/* === OPÇÕES DO FORMULÁRIO === */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: -5px 0 5px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-wrapper input:checked + .checkmark {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

.checkbox-wrapper input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    top: -2px;
    left: 2px;
}

.forgot-link {
    font-size: 0.85rem;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: var(--primary-blue-light);
}

/* === BOTÃO DE SUBMIT === */
.submit-btn {
    height: 56px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 16px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    margin-top: 10px;
    box-shadow: var(--shadow-primary);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(79, 70, 229, 0.3);
}

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

.submit-btn.register-btn {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.2);
}

.submit-btn.register-btn:hover {
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.3);
}

.btn-text {
    transition: opacity 0.3s ease;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* === MENSAGENS === */
.message-area {
    min-height: 20px;
    padding: 0 5px;
    font-size: 0.85rem;
    text-align: center;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.message-area.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 12px;
}

.message-area.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 12px;
}

.message-area.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 12px;
}

/* === SWITCH DE FORMULÁRIO === */
.form-switch {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(71, 85, 105, 0.3);
}

.form-switch p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.switch-btn {
    background: none;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 10px 24px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.switch-btn:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-1px);
}

/* === FOOTER === */
.mobile-footer {
    padding: 20px;
    text-align: center;
    background: transparent;
}

.mobile-footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* === ANIMAÇÕES === */
.form-container {
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* === RESPONSIVIDADE ESPECÍFICA === */
@media (max-width: 480px) {
    .mobile-header {
        padding: 15px 15px 5px;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
    
    .mobile-main {
        padding: 15px;
    }
    
    .form-container {
        max-width: 100%;
        padding: 25px 20px;
        border-radius: 20px;
    }
    
    .form-title {
        font-size: 1.6rem;
    }
    
    .input-wrapper input {
        height: 52px;
        font-size: 0.9rem;
    }
    
    .submit-btn {
        height: 52px;
        font-size: 0.95rem;
    }
}

@media (max-width: 360px) {
    .form-container {
        padding: 20px 15px;
        border-radius: 16px;
    }
    
    .form-title {
        font-size: 1.4rem;
    }
    
    .input-wrapper input {
        height: 48px;
        padding: 0 45px 0 45px;
        font-size: 0.85rem;
    }
    
    .submit-btn {
        height: 48px;
        font-size: 0.9rem;
    }
    
    .input-icon {
        left: 15px;
        font-size: 0.9rem;
    }
    
    .password-toggle {
        right: 15px;
        font-size: 0.9rem;
    }
}

/* === ESTADOS ESPECIAIS === */
.input-wrapper.error input {
    border-color: var(--error-color);
    background: rgba(239, 68, 68, 0.1);
}

.input-wrapper.success input {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

/* === LOADING STATE === */
.submit-btn.loading .btn-text {
    opacity: 0;
}

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

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}