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

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    position: relative; 
    background-color: var(--bg-pure-black); 
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/bg-space.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.6;
    z-index: -1; 
}

@keyframes smoothFloat {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-container {
    width: 100%;
    max-width: 510px;
    border-radius: 20px;
    background-color: var(--bg-glass-panel);
    backdrop-filter: blur(100px);
    -webkit-backdrop-filter: blur(100px);
    border: 1px solid var(--glass-border-base);       
    border-top: 1px solid var(--glass-border-top);   
    border-left: 1px solid var(--glass-border-left);  
    box-shadow: 20px 40px 60px 0px var(--shadow-panel);
    padding: 48px; 
    display: flex;
    flex-direction: column;
    opacity: 0;
    animation: smoothFloat 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.brand-header {
    text-align: center;
    margin-bottom: 40px;
    margin-top: 10px;
}

.brand-logo {
    max-width: 85%;
    height: auto;
}

.welcome-text {
    margin-bottom: 24px;
}

.welcome-text h1 {
    font-weight: var(--weight-bold);
    font-size: var(--font-lg);
    color: var(--text-primary);
    margin-bottom: 4px;
}

.welcome-text p {
    font-weight: var(--weight-regular);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-weight: var(--weight-regular);
    font-size: var(--font-md);
    color: var(--text-primary);
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.forgot-password {
    font-size: var(--font-sm);
    color: var(--text-secondary); 
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
}

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

.forgot-password:active {
    color: var(--color-primary-loading);
    transform: scale(0.95);
}

body.keyboard-nav .forgot-password:focus {
    outline: 2px solid var(--focus-ring); 
    outline-offset: 4px; 
    color: var(--text-primary);
}

.input-wrapper {
    position: relative;
    width: 100%;
}

input {
    width: 100%;
    height: 48px;
    background-color: transparent;
    border: 1px solid var(--border-input-default);
    border-radius: 8px;
    padding: 0 16px;
    font-family: var(--font-primary);
    font-size: var(--font-sm);
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s ease;
}

.password-wrapper input {
    padding-right: 40px; 
}

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

input:hover {
    border-color: var(--focus-ring);
}

input:focus {
    border-color: var(--color-primary) !important;
    box-shadow: inset 0 0 0 1px var(--color-primary) !important;
    outline: none !important;
}

body.keyboard-nav input:focus {
    border-color: var(--focus-ring) !important;
    box-shadow: inset 0 0 0 2px var(--focus-ring) !important;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}

input.error {
    border-color: var(--color-danger) !important;
    box-shadow: inset 0 0 0 1px var(--color-danger) !important;
    animation: shake 0.3s ease-in-out;
}

.error-text {
    display: none;
    color: var(--color-danger);
    font-size: var(--font-xs);
    font-weight: var(--weight-regular);
}

.error-text.active {
    display: block;
}

.global-error {
    display: none;
    color: var(--color-danger);
    font-size: 13px;
    font-weight: var(--weight-medium);
    text-align: center;
    margin-top: -8px; 
}

.global-error.active {
    display: block;
}

.eye-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.eye-icon:hover svg stroke {
    stroke: var(--text-secondary);
}

.warning-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: none;
    pointer-events: none;
}

.username-wrapper .warning-icon {
    right: 16px;
}

.password-wrapper .warning-icon {
    right: 44px;
}

.password-wrapper input.error ~ .eye-icon {
    display: none;
}

.password-wrapper input.error ~ .warning-icon {
    right: 16px;
}

input.error ~ .warning-icon {
    display: block;
}

input::-ms-reveal,
input::-ms-clear {
    display: none;
}

input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active {
    transition: background-color 5000s ease-in-out 0s;
    -webkit-text-fill-color: var(--text-primary) !important;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-weight: var(--weight-semibold);
    font-size: var(--font-md);
    height: 48px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 12px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover); 
    box-shadow: 0px 6px 12px 0px var(--shadow-btn-hover);
    transform: translateY(-2px); 
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0px 2px 4px 0px var(--shadow-btn-active);
}

.btn-primary:focus {
    outline: none; 
}

body.keyboard-nav .btn-primary:focus {
    box-shadow: inset 0 0 0 2px var(--focus-ring); 
}

body.keyboard-nav .btn-primary:focus:hover {
    background-color: var(--color-primary-hover);
    box-shadow: 
        inset 0 0 0 2px var(--focus-ring),
        0px 6px 12px 0px var(--shadow-btn-hover);
    transform: translateY(-2px);
}

.btn-text {
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.lottie-wrapper {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.btn-primary.loading {
    background-color: var(--color-primary-loading); 
    box-shadow: inset 0 0 0 2px var(--color-primary-shadow); 
    pointer-events: none; 
}

.btn-primary.loading .btn-text {
    opacity: 0;
    visibility: hidden;
}

.btn-primary.loading .lottie-wrapper {
    opacity: 1;
    visibility: visible;
}

@media screen and (max-width: 480px) {
    body {
        padding: 12px; /* Pull elements closer to edge on ultra-thin screens */
    }

    .login-container {
        padding: 24px 20px; /* Snug padding for compact mobile views */
        border-radius: 16px; /* Slightly tighter corner radius looks sharper on mobile */
    }

    .brand-header {
        margin-bottom: 24px;
        margin-top: 5px;
    }

    .brand-logo {
        max-width: 75%; /* Shrink brand slightly to give UI more room */
    }

    .welcome-text {
        margin-bottom: 16px;
        text-align: center; /* Centering titles can feel more balanced on mobile phone viewports */
    }

    .login-form {
        gap: 16px; /* Tighter spacing between input blocks */
    }

    .label-row {
        align-items: flex-start; /* Keeps things neat if a custom label wraps */
    }
}

/* 3. Landscape/Short Screen Fix (Max height: 600px) */
/* Essential for phones flipped sideways so the form doesn't clip off-screen */
@media screen and (max-height: 600px) {
    body {
        align-items: flex-start; /* Shifts it to the top so users can scroll down naturally */
        padding-top: 30px;
        padding-bottom: 30px;
    }

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