/* Naval Login Styles */
.naval-login-container {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    overflow: hidden;
}

.naval-login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.naval-login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    padding: 40px;
    width: 450px;
    min-width: 400px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.naval-logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.naval-logo {
    max-width: 320px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.naval-form-title {
    color: #1e3c72;
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.naval-input-group {
    position: relative;
    margin-bottom: 25px;
}

.naval-input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e8ed;
    border-radius: 12px;
    font-size: 16px;
    background: #ffffff;
    transition: all 0.3s ease;
    outline: none;
}

.naval-input:focus {
    border-color: #2a5298;
    box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.1);
    transform: translateY(-2px);
}

.naval-input::placeholder {
    color: #8899a6;
    font-weight: 400;
}

.naval-select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e8ed;
    border-radius: 12px;
    font-size: 16px;
    background: #ffffff;
    transition: all 0.3s ease;
    outline: none;
    cursor: pointer;
}

.naval-select:focus {
    border-color: #2a5298;
    box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.1);
}

.naval-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.naval-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 60, 114, 0.4);
}

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

.naval-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.naval-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, #e1e8ed, transparent);
    margin: 25px 0;
    border: none;
}

.naval-loading {
    text-align: center;
    padding: 20px;
}

.naval-loading img {
    max-width: 60px;
    opacity: 0.8;
}

.naval-error {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

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

.naval-form-visible {
    display: block;
}

/* Responsive */
@media (max-width: 480px) {
    .naval-login-card {
        margin: 20px;
        padding: 30px 25px;
        width: calc(100% - 40px);
        min-width: auto;
    }
    
    .naval-logo {
        max-width: 200px;
    }
    
    .naval-form-title {
        font-size: 20px;
    }
}

/* Animation for form transitions */
.naval-form-signin, .naval-form-buque {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}