/* =====================================================
   Login - Club Tennis Reus Monterols
   Disseny elegant, modern i minimalista
   ===================================================== */

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

:root {
    --color-primary: #042943;
    --color-primary-light: #0a3d5e;
    --color-primary-dark: #021a2b;
    --color-accent: #1e7eb5;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #f9fafb;
    --color-white: #ffffff;
    --color-border: #e5e7eb;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-info: #1e40af;
    --color-info-bg: #eff6ff;
    --shadow-md: 0 4px 24px rgba(4, 41, 67, 0.08);
    --shadow-lg: 0 12px 40px rgba(4, 41, 67, 0.15);
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

/* ============ Costat esquerre (logo) ============ */
.login-left {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.login-left::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.login-left-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 480px;
}

.login-logo {
    max-width: 360px;
    width: 100%;
    height: auto;
    margin-bottom: 48px;
    filter: drop-shadow(0 4px 24px rgba(0,0,0,0.2));
}

.login-tagline h2 {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.login-tagline p {
    font-size: 16px;
    opacity: 0.85;
    line-height: 1.6;
    font-weight: 300;
}

/* ============ Costat dret (formulari) ============ */
.login-right {
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.login-form-wrapper {
    width: 100%;
    max-width: 420px;
}

.login-header {
    margin-bottom: 40px;
}

.login-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--color-text-light);
    font-size: 15px;
}

/* Alertes */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 24px;
    animation: slideIn 0.3s ease;
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid #fecaca;
}

.alert-info {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid #bfdbfe;
}

.alert i {
    font-size: 16px;
    flex-shrink: 0;
}

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

/* Formulari */
.login-form .form-group {
    margin-bottom: 24px;
}

.login-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: 0.01em;
}

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

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--color-text-light);
    font-size: 14px;
    pointer-events: none;
    transition: color 0.2s ease;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: 10px;
    transition: all 0.2s ease;
    outline: none;
    font-family: inherit;
}

.input-wrapper input::placeholder {
    color: #9ca3af;
}

.input-wrapper input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(4, 41, 67, 0.08);
}

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

.toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-size: 14px;
}

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

/* Opcions del login (recordar + olvidé) */
.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 8px 0 20px;
    flex-wrap: wrap;
    gap: 8px;
}

.remember-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-size: 13px;
    color: var(--color-text);
}

.remember-check input {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.forgot-link {
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.18s ease;
}

.forgot-link:hover {
    opacity: 0.7;
    text-decoration: underline;
}

/* Botó */
.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-primary);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    margin-top: 8px;
    letter-spacing: 0.01em;
    font-family: inherit;
}

.btn-login:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(4, 41, 67, 0.2);
}

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

.btn-login i {
    transition: transform 0.2s ease;
    font-size: 13px;
}

.btn-login:hover i {
    transform: translateX(4px);
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.login-footer p {
    font-size: 12px;
    color: var(--color-text-light);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
    .login-container {
        grid-template-columns: 1fr;
    }
    
    .login-left {
        min-height: 280px;
        padding: 32px;
    }
    
    .login-logo {
        max-width: 240px;
        margin-bottom: 24px;
    }
    
    .login-tagline h2 {
        font-size: 24px;
    }
    
    .login-tagline p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .login-right {
        padding: 32px 24px;
    }
    
    .login-header h1 {
        font-size: 26px;
    }
}