/* ==================================================
   BusinessOS - Login Page Styles
   ================================================== */

/* Login page background with illustration */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bos-primary-light) 0%, var(--bos-bg-primary) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--bos-spacing-xl);
}

/* Background illustration using CSS only */
.login-page::before {
    content: "";
    position: absolute;
    top: -150px;
    right: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(var(--bos-primary-rgb), 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.login-page::after {
    content: "";
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(var(--bos-accent-rgb), 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

/* Decorative shapes */
.login-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.login-shape {
    position: absolute;
    opacity: 0.05;
}

.login-shape-1 {
    top: 10%;
    left: 10%;
    width: 60px;
    height: 60px;
    background-color: var(--bos-primary);
    border-radius: var(--bos-border-radius);
    transform: rotate(15deg);
}

.login-shape-2 {
    top: 70%;
    right: 15%;
    width: 80px;
    height: 80px;
    background-color: var(--bos-accent);
    border-radius: 50%;
}

.login-shape-3 {
    bottom: 20%;
    left: 20%;
    width: 100px;
    height: 100px;
    background-color: var(--bos-success);
    border-radius: var(--bos-border-radius-lg);
    transform: rotate(-10deg);
}

/* Login card styling */
.login-card {
    background: var(--bos-bg-primary);
    border-radius: var(--bos-border-radius-xl);
    box-shadow: var(--bos-shadow-xl);
    border: none;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--bos-primary), var(--bos-accent));
}

.login-card-body {
    padding: var(--bos-spacing-xxl) var(--bos-spacing-xl);
}

.login-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--bos-primary), var(--bos-accent));
    border-radius: var(--bos-border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--bos-spacing-lg);
    font-size: 2rem;
    color: var(--bos-text-white);
}

.login-title {
    font-weight: var(--bos-font-weight-semibold);
    color: var(--bos-text-primary);
    margin-bottom: var(--bos-spacing-md);
}

.login-subtitle {
    color: var(--bos-text-secondary);
    margin-bottom: var(--bos-spacing-xxl);
}

.login-form .form-control {
    border-radius: var(--bos-border-radius);
    padding: var(--bos-spacing-md) var(--bos-spacing-lg);
    border: 1px solid var(--bos-border-color);
}

.login-form .form-control:focus {
    border-color: var(--bos-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bos-primary-rgb), 0.25);
}

.login-form .input-icon {
    position: absolute;
    left: var(--bos-spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--bos-gray-500);
    z-index: 2;
}

.login-form .form-floating {
    position: relative;
}

.login-form .form-floating > .form-control {
    padding-left: calc(var(--bos-spacing-xl) + 1.5rem);
}

.login-btn {
    width: 100%;
    padding: var(--bos-spacing-md) var(--bos-spacing-xl);
    font-weight: var(--bos-font-weight-medium);
    border-radius: var(--bos-border-radius);
    transition: var(--bos-transition);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--bos-shadow-md);
}

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

.login-btn.loading {
    pointer-events: none;
}

.login-btn .spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

.login-footer {
    margin-top: var(--bos-spacing-xl);
    padding-top: var(--bos-spacing-xl);
    border-top: 1px solid var(--bos-border-light);
    text-align: center;
}

.login-version {
    color: var(--bos-text-light);
    font-size: var(--bos-font-size-sm);
}

.login-copyright {
    color: var(--bos-text-light);
    font-size: var(--bos-font-size-xs);
    margin-top: var(--bos-spacing-sm);
}