/* ==========================================================================
   LOGIN GATE UI — Mobile-First
   Single Responsibility: Login overlay, login card, form, error states
   ========================================================================== */

.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.25) 0%, rgba(220, 225, 235, 0.8) 100%), 
                linear-gradient(-45deg, rgba(230, 126, 34, 0.04), rgba(108, 92, 231, 0.04), rgba(0, 184, 148, 0.04));
    background-size: 300% 300%;
    animation: gradientBg 12s ease infinite;
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s ease;
    padding: var(--spacing-lg);
}

.login-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

/* Login Card — mobile-first: vertical column layout */
.login-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.08), 0 0 60px rgba(230, 126, 34, 0.04);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    gap: 0;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    transition: all 0.7s cubic-bezier(0.34, 1.76, 0.64, 1);
    width: 340px;
    max-width: 100%;
    overflow: hidden;
}

.login-logo-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.15);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    z-index: 5;
}

.login-logo-wrapper:active {
    transform: scale(0.97);
}

.login-brand-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 10px;
    transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.15);
    animation: floatLogo 4s ease-in-out infinite;
}

.login-brand-text {
    text-align: center;
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.login-brand-name {
    font-family: 'Cinzel', serif;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--text-dark);
    line-height: 1.2;
}

.login-brand-subtitle {
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    border: 1px solid rgba(0, 0, 0, 0.10);
    border-radius: var(--radius-pill);
    padding: 2px 10px;
    margin-top: 5px;
    width: max-content;
    display: inline-block;
    text-align: center;
}

.login-helper-prompt {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--theme-primary);
    font-size: 12px;
    font-weight: 700;
    background: rgba(230, 126, 34, 0.08);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    animation: pulseHelper 2s infinite;
    transition: opacity 0.3s ease;
}

.login-helper-prompt .helper-icon {
    font-size: 14px !important;
}

/* Credentials Form Column — mobile-first: collapsed, expands on tap */
.login-form-wrapper {
    width: 100%;
    height: 0;
    opacity: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.15);
}

.login-form {
    width: 100%;
    padding: var(--spacing-lg) 0 0 0;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.login-form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.login-form-group label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-dark);
}

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

.login-input-icon {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
    font-size: 20px !important;
}

/* Login inputs — 16px font to prevent iOS auto-zoom */
.login-input-wrapper input {
    width: 100%;
    height: var(--touch-target-lg);
    background-color: #F8F9FA;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 0 12px 0 42px;
    font-family: inherit;
    font-size: 16px; /* Prevents iOS Safari auto-zoom */
    font-weight: 500;
    color: var(--text-dark);
    outline: none;
    transition: var(--transition-smooth);
}

.login-input-wrapper input:focus {
    background-color: var(--white);
    border-color: var(--theme-primary);
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.08);
}

/* Login submit button — mobile-first: full width, tall */
.login-submit-btn {
    background: var(--theme-primary-grad);
    color: var(--white);
    box-shadow: 0 6px 16px rgba(230, 126, 34, 0.2);
    height: var(--touch-target-lg);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: var(--spacing-sm);
    transition: var(--transition-smooth);
    width: 100%;
}

.login-submit-btn:active {
    transform: scale(0.97);
    box-shadow: 0 4px 10px rgba(230, 126, 34, 0.15);
}

/* Mobile card expansion (tap to expand) */
.login-card:hover,
.login-card.expanded {
    background-color: var(--white);
    border-color: rgba(230, 126, 34, 0.2);
}

.login-card.expanded .login-form-wrapper,
.login-card:hover .login-form-wrapper {
    height: 270px;
    opacity: 1;
    margin-top: var(--spacing-lg);
}

.login-card.expanded .login-brand-logo,
.login-card:hover .login-brand-logo {
    transform: scale(0.88);
}

.login-card.expanded .login-helper-prompt,
.login-card:hover .login-helper-prompt {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Error message */
.login-error-msg {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #D63031;
    background-color: #FFF5F5;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    animation: fadeIn 0.3s ease forwards;
}

.login-error-msg .error-icon {
    font-size: 16px !important;
}

/* Shake animation for error */
.shake-anim {
    animation: shake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* ==========================================================================
   DESKTOP LOGIN OVERRIDES (min-width: 801px)
   ========================================================================== */

@media (min-width: 801px) {
    .login-card {
        flex-direction: row;
        padding: 38px;
        border-radius: 36px;
        width: auto;
        max-width: 90%;
    }

    .login-logo-wrapper {
        padding: 16px 20px;
    }

    .login-logo-wrapper:hover {
        transform: scale(1.02);
    }

    .login-brand-logo {
        width: 140px;
        height: 140px;
        margin-bottom: 12px;
    }

    .login-brand-text {
        margin-bottom: 16px;
    }

    .login-brand-name {
        font-size: 30px;
        letter-spacing: 6px;
    }

    .login-brand-subtitle {
        font-size: 9px;
        letter-spacing: 2px;
        margin-top: 6px;
    }

    /* Desktop: horizontal expansion instead of vertical */
    .login-form-wrapper {
        width: 0;
        height: auto;
        opacity: 0;
    }

    .login-form {
        width: 270px;
        padding: 0 10px 0 30px;
        border-top: none;
    }

    .login-input-wrapper input {
        height: 48px;
        font-size: 14px;
    }

    .login-submit-btn {
        height: 46px;
        font-size: 14px;
    }

    .login-submit-btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(230, 126, 34, 0.3);
    }

    .login-card:hover,
    .login-card.expanded {
        padding-right: 48px;
    }

    .login-card:hover .login-form-wrapper,
    .login-card.expanded .login-form-wrapper {
        width: 310px;
        height: auto;
        opacity: 1;
        margin-top: 0;
    }

    .login-card:hover .login-brand-logo,
    .login-card.expanded .login-brand-logo {
        transform: scale(0.95);
    }
}