/* ===================================
   CSS Variables - Design System
   =================================== */
:root {
    /* Color Palette */
    --app-color-gold: rgb(212, 175, 55);
    --app-color-primary: rgb(13, 43, 53);
    --app-color-primary-light: rgb(84, 114, 125);
    --app-color-black: rgb(25, 25, 25);
    --app-color-gray-dark: rgb(74, 72, 68);
    --app-color-gray: rgb(115, 112, 108);
    --app-color-border: rgb(200, 200, 200);
    --app-color-white: rgb(255, 255, 255);
    --app-color-success: rgb(42, 157, 143);
    --app-color-info: rgb(70, 130, 180);
    /* Derived Colors */
    --app-color-bg: rgb(248, 249, 250);
    --app-color-bg-alt: rgb(255, 255, 255);
    --app-color-text: var(--app-color-black);
    --app-color-text-muted: var(--app-color-gray);
    --app-color-hover: rgba(212, 175, 55, 0.1);
    --app-color-active: rgba(212, 175, 55, 0.15);
    /* Shadows */
    --app-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --app-shadow-md: 0 2px 4px rgba(0, 0, 0, 0.07);
    --app-shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.1);
    --app-shadow-dropdown: 0 8px 24px rgba(0, 0, 0, 0.15);
    /* Spacing - More Compact */
    --app-spacing-xs: 0.25rem;
    --app-spacing-sm: 0.375rem;
    --app-spacing-md: 0.5rem;
    --app-spacing-lg: 0.75rem;
    --app-spacing-xl: 1rem;
    --app-spacing-2xl: 1.5rem;
    /* Typography - Compact */
    --app-font-size-xs: 0.688rem;
    --app-font-size-sm: 0.75rem;
    --app-font-size-base: 0.813rem;
    --app-font-size-md: 0.875rem;
    --app-font-size-lg: 0.938rem;
    --app-font-weight-normal: 400;
    --app-font-weight-medium: 500;
    --app-font-weight-semibold: 600;
    /* Layout - Compact Header */
    --app-header-height: 3rem;
    --app-border-radius: 0.25rem;
    --app-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Global Resets & Base Styles
   =================================== */
* {
    box-sizing: border-box;
}

/* ===================================
   Layout Container
   =================================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--app-color-bg);
}

/* ===================================
   Header Styles - Ultra Compact
   =================================== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--app-color-primary) 0%, var(--app-color-primary-light) 100%);
    box-shadow: var(--app-shadow-md);
    height: var(--app-header-height);
}

.app-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--app-spacing-xl);
    max-width: 100%;
}

/* ===================================
   Brand/Logo Styles - Compact
   =================================== */
.app-brand {
    display: flex;
    align-items: center;
    gap: var(--app-spacing-md);
    flex-shrink: 0;
    cursor: pointer;
    transition: var(--app-transition);
}

    .app-brand:hover {
        opacity: 0.9;
    }

.app-brand-logo {
    height: 2rem;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.app-brand-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    line-height: 1.2;
}

.app-brand-text {
    font-size: var(--app-font-size-md);
    font-weight: var(--app-font-weight-semibold);
    color: var(--app-color-white);
    letter-spacing: 0.015em;
    white-space: nowrap;
}

.app-brand-subtitle {
    font-size: var(--app-font-size-xs);
    font-weight: var(--app-font-weight-normal);
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

/* ===================================
   Header Actions - Compact
   =================================== */
.app-header-actions {
    display: flex;
    align-items: center;
    gap: var(--app-spacing-sm);
    flex-shrink: 0;
}

.app-header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: var(--app-border-radius);
    color: var(--app-color-white);
    cursor: pointer;
    transition: var(--app-transition);
    font-size: var(--app-font-size-md);
    position: relative;
}

    .app-header-btn:hover {
        background: rgba(255, 255, 255, 0.15);
        transform: translateY(-1px);
    }

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

    .app-header-btn::after {
        content: '';
        position: absolute;
        top: 0.2rem;
        right: 0.2rem;
        width: 0.4rem;
        height: 0.4rem;
        background: var(--app-color-success);
        border-radius: 50%;
        opacity: 0;
        transition: var(--app-transition);
    }

    .app-header-btn.has-notification::after {
        opacity: 1;
        animation: app-notification-pulse 2s ease-in-out infinite;
    }

@keyframes app-notification-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

/* ===================================
   User Menu - Compact with Dropdown
   =================================== */
.app-user-menu {
    margin-left: var(--app-spacing-md);
    padding-left: var(--app-spacing-md);
    border-left: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
}

.app-user-btn {
    display: flex;
    align-items: center;
    gap: var(--app-spacing-sm);
    padding: var(--app-spacing-sm) var(--app-spacing-md);
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: var(--app-border-radius);
    color: var(--app-color-white);
    cursor: pointer;
    transition: var(--app-transition);
    font-size: var(--app-font-size-sm);
    font-weight: var(--app-font-weight-medium);
    height: 2rem;
}

    .app-user-btn:hover {
        background: rgba(255, 255, 255, 0.15);
    }

    .app-user-btn i:first-child {
        font-size: var(--app-font-size-lg);
        color: var(--app-color-gold);
    }

.app-user-name {
    display: none;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-user-chevron {
    font-size: var(--app-font-size-xs);
    margin-left: var(--app-spacing-xs);
    transition: var(--app-transition);
}

.app-user-btn:hover .app-user-chevron {
    transform: translateY(2px);
}

/* ===================================
   User Dropdown Menu - Professional
   =================================== */
.app-user-dropdown {
    position: absolute;
    top: calc(100% + var(--app-spacing-sm));
    right: 0;
    min-width: 200px;
    background: var(--app-color-white);
    border-radius: var(--app-border-radius);
    box-shadow: var(--app-shadow-dropdown);
    padding: var(--app-spacing-sm) 0;
    z-index: 1001;
    animation: app-dropdown-slide-in 0.2s ease-out;
}

@keyframes app-dropdown-slide-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.app-user-dropdown-header {
    padding: var(--app-spacing-md) var(--app-spacing-lg);
    border-bottom: 1px solid var(--app-color-border);
    margin-bottom: var(--app-spacing-sm);
}

.app-user-dropdown-name {
    font-size: var(--app-font-size-sm);
    font-weight: var(--app-font-weight-semibold);
    color: var(--app-color-black);
    margin-bottom: 0.125rem;
}

.app-user-dropdown-email {
    font-size: var(--app-font-size-xs);
    color: var(--app-color-gray);
}

.app-user-dropdown-divider {
    height: 1px;
    background: var(--app-color-border);
    margin: var(--app-spacing-sm) 0;
}

.app-user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--app-spacing-md);
    width: 100%;
    padding: var(--app-spacing-sm) var(--app-spacing-lg);
    background: none;
    border: none;
    color: var(--app-color-black);
    font-size: var(--app-font-size-sm);
    font-weight: var(--app-font-weight-normal);
    cursor: pointer;
    transition: var(--app-transition);
    text-align: left;
}

    .app-user-dropdown-item:hover {
        background: var(--app-color-hover);
        color: var(--app-color-gold);
    }

    .app-user-dropdown-item i {
        width: 1rem;
        font-size: var(--app-font-size-md);
        color: var(--app-color-gray);
        transition: var(--app-transition);
    }

    .app-user-dropdown-item:hover i {
        color: var(--app-color-gold);
    }

.app-user-dropdown-logout {
    color: #dc3545;
}

    .app-user-dropdown-logout:hover {
        background: rgba(220, 53, 69, 0.1);
        color: #dc3545;
    }

        .app-user-dropdown-logout:hover i {
            color: #dc3545;
        }

/* ===================================
   Main Content Area - Compact
   =================================== */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
}


@keyframes app-content-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Error UI
   =================================== */
#app-error-ui {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--app-color-gold);
    color: var(--app-color-black);
    padding: var(--app-spacing-md) var(--app-spacing-xl);
    box-shadow: var(--app-shadow-lg);
    display: none;
    align-items: center;
    justify-content: space-between;
    z-index: 9999;
    font-size: var(--app-font-size-sm);
    animation: app-error-slide-up 0.3s ease-out;
}

@keyframes app-error-slide-up {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

.app-error-reload {
    margin-left: var(--app-spacing-lg);
    color: var(--app-color-primary);
    text-decoration: underline;
    font-weight: var(--app-font-weight-medium);
    cursor: pointer;
}

    .app-error-reload:hover {
        color: var(--app-color-black);
    }

.app-error-dismiss {
    margin-left: auto;
    padding: var(--app-spacing-xs) var(--app-spacing-sm);
    cursor: pointer;
    font-size: var(--app-font-size-lg);
    opacity: 0.7;
    transition: var(--app-transition);
}

    .app-error-dismiss:hover {
        opacity: 1;
    }

/* ===================================
   Responsive Design - Tablet
   =================================== */
@media (min-width: 768px) {
    .app-header-content {
        padding: 0 var(--app-spacing-2xl);
    }



    .app-user-name {
        display: inline;
    }
}

/* ===================================
   Responsive Design - Desktop
   =================================== */
@media (min-width: 1024px) {
    .app-content {
    }

    .app-header-actions {
        gap: var(--app-spacing-md);
    }
}

/* ===================================
   Responsive Design - Mobile
   =================================== */
@media (max-width: 767px) {
    .app-header-content {
        padding: 0 var(--app-spacing-md);
    }

    .app-brand-subtitle {
        display: none;
    }

    .app-brand-logo {
        height: 1.75rem;
    }

    .app-content {
    }

    .app-user-menu {
        margin-left: 0;
        padding-left: var(--app-spacing-sm);
    }

    .app-user-btn {
        padding: var(--app-spacing-sm);
        min-width: 2rem;
    }

        .app-user-btn span,
        .app-user-chevron {
            display: none;
        }

    .app-user-dropdown {
        right: calc(-1 * var(--app-spacing-md));
    }
}

/* ===================================
   Focus States (Accessibility)
   =================================== */


/* ===================================
   Print Styles
   =================================== */
@media print {
    .app-header,
    #app-error-ui {
        display: none;
    }

    .app-content {
    }
}