/* ===== MODERN FLUENT DESIGN SYSTEM ===== */
:root {
    /* Microsoft Fluent Design Colors */
    --ms-blue: #0078d4;
    --ms-blue-light: #e6f2fa;
    --ms-blue-dark: #106ebe;
    --ms-gray: #f5f5f5;
    --ms-gray-dark: #edebe9;
    --ms-text: #323130;
    --ms-text-light: #605e5c;
    --ms-white: #ffffff;
    --ms-black: #1b1a19;
    --ms-success: #107c41;
    --ms-warning: #ff8c00;
    --ms-error: #d13438;
    
    /* Shadows & Effects */
    --shadow-sm: 0 1.6px 3.6px rgba(0,0,0,0.13), 0 0.3px 0.9px rgba(0,0,0,0.1);
    --shadow-md: 0 3.2px 7.2px rgba(0,0,0,0.16), 0 0.6px 1.8px rgba(0,0,0,0.1);
    --shadow-lg: 0 6.4px 14.4px rgba(0,0,0,0.18), 0 1.2px 3.6px rgba(0,0,0,0.1);
    --shadow-hover: 0 8px 18px rgba(0,0,0,0.22), 0 1.5px 4.5px rgba(0,0,0,0.12);
    
    /* Animations */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-xl: 16px;
}

/* ===== MODERN OVERLAY ===== */
#overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(27, 26, 25, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    animation: fadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
    from { opacity: 0; backdrop-filter: blur(0); }
    to { opacity: 1; backdrop-filter: blur(4px); }
}

/* ===== ELEGANT LOADING ===== */
#loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 340px;
    padding: var(--space-lg);
    background: var(--ms-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 3000;
    animation: slideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 120, 212, 0.2);
    text-align: center;
}

#loading::before {
    content: '';
    display: inline-block;
    width: 48px;
    height: 48px;
    border: 3px solid var(--ms-blue-light);
    border-top-color: var(--ms-blue);
    border-radius: 50%;
    animation: spin 1s infinite cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: var(--space-md);
}

#loading h4 {
    margin: 0 0 var(--space-xs) 0;
    padding: 0;
    color: var(--ms-text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

#loading p {
    margin: 0;
    color: var(--ms-text-light);
    font-size: 0.875rem;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

@keyframes slideIn {
    from { opacity: 0; transform: translate(-50%, -40%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== RESPONSIVE UTILITIES ===== */
.pull-right {
    float: right;
}

@media (max-width: 768px) {
    .pull-right {
        float: none;
        display: block;
        width: 100%;
    }
}

/* ===== IMAGE CONTAINER ===== */
.non-local-image {
    position: relative;
    display: inline-block;
    min-width: 120px;
    min-height: 120px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: linear-gradient(145deg, var(--ms-gray), var(--ms-gray-dark));
    transition: var(--transition-base);
}

.non-local-image:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.non-local-image:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, rgba(0,120,212,0.03), rgba(0,120,212,0.06));
    background-image: url('../logo.php');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    opacity: 0.85;
    transition: var(--transition-base);
}

.non-local-image:hover:after {
    opacity: 1;
    transform: scale(1.02);
}

/* ===== SECTION BREAK ===== */
div.section-break {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--ms-gray-dark);
    position: relative;
}

div.section-break::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--ms-blue), transparent);
    border-radius: var(--radius-sm);
}

/* ===== INPUT FIELDS ===== */
input.dp {
    width: 12em;
    padding: 0.6em 1em;
    border: 1px solid var(--ms-gray-dark);
    border-radius: var(--radius-sm);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 0.9375rem;
    color: var(--ms-text);
    background: var(--ms-white);
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

input.dp:hover {
    border-color: var(--ms-blue);
    background: var(--ms-blue-light);
}

input.dp:focus {
    outline: none;
    border-color: var(--ms-blue);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
    background: var(--ms-white);
}

/* ===== MODERN DATEPICKER ===== */
.ui-datepicker-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    padding: var(--space-xs);
    margin-left: var(--space-xs);
    background: transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
}

.ui-datepicker-trigger:hover {
    background: var(--ms-blue-light);
    transform: scale(1.05);
}

.ui-datepicker-trigger:active {
    transform: scale(0.95);
}

.ui-datepicker-trigger img {
    width: 18px;
    height: 18px;
    filter: invert(30%) sepia(70%) saturate(2000%) hue-rotate(190deg);
}

/* ===== DRAFT SAVED NOTIFICATION ===== */
.draft-saved {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    background: var(--ms-black);
    color: var(--ms-white);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
}

.draft-saved::before {
    content: '✓';
    font-size: 1.125rem;
    color: #6bb700;
}

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

.delete-draft {
    background: transparent;
    border: none;
    color: var(--ms-white);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.delete-draft:hover {
    background: var(--ms-error) !important;
    transform: scale(0.95);
}

/* ===== NOTIFICATION BARS ===== */
.notice_bar,
.warning_bar,
.error_bar {
    position: relative;
    margin: 0 0 var(--space-md) 0;
    padding: var(--space-md) var(--space-md) var(--space-md) 44px;
    min-height: 20px;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--ms-text);
    border-radius: var(--radius-md);
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
}

.notice_bar:hover,
.warning_bar:hover,
.error_bar:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.notice_bar {
    background: linear-gradient(145deg, #f4faf4, #e8f2e8);
    border-left: 4px solid var(--ms-success);
}

.warning_bar {
    background: linear-gradient(145deg, #fff4e6, #ffede0);
    border-left: 4px solid var(--ms-warning);
}

.error_bar {
    background: linear-gradient(145deg, #fdebeb, #f9e2e2);
    border-left: 4px solid var(--ms-error);
}

.notice_bar::before,
.warning_bar::before,
.error_bar::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.notice_bar::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23107c41'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
}

.warning_bar::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ff8c00'%3E%3Cpath d='M12 2L1 21h22L12 2zm0 4l8.5 15h-17L12 6zm-1 5v5h2v-5h-2zm0 7v2h2v-2h-2z'/%3E%3C/svg%3E");
}

.error_bar::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23d13438'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 11c-.55 0-1-.45-1-1V8c0-.55.45-1 1-1s1 .45 1 1v4c0 .55-.45 1-1 1zm0 4c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1z'/%3E%3C/svg%3E");
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 640px) {
    #loading {
        width: calc(100% - 2rem);
        max-width: 320px;
        margin: 0 1rem;
    }
    
    .draft-saved {
        top: var(--space-md);
        right: var(--space-md);
        left: var(--space-md);
        width: auto;
    }
    
    .notice_bar,
    .warning_bar,
    .error_bar {
        padding: var(--space-sm) var(--space-sm) var(--space-sm) 40px;
        font-size: 0.875rem;
    }
    
    input.dp {
        width: 100%;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    #overlay,
    #loading,
    .draft-saved,
    .ui-datepicker-trigger {
        display: none !important;
    }
    
    .non-local-image:after {
        opacity: 1;
    }
}